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Article ; Online: Prevalence and ecological factors affecting the distribution of plant-parasitic nematodes in Prunus groves in Spain

CLAVERO-CAMACHO, Ilenia / ARCHIDONA-YUSTE, Antonio / CANTALAPIEDRA-NAVARRETE, Carolina / Castillo, Pablo / Palomares Rius, Juan Emilio

CAAS. Publishing services by Elsevier B.V Journal of Integrative Agriculture. 2023 Feb. 24,

2023

Abstract: A wide survey was conducted to study plant-parasitic nematodes (PPNs) associated with Prunus groves in Spain. This research aimed to determine the prevalence and distribution of PPNs in Prunus groves, as well as the influence of explanatory variables ... ...

Abstract	A wide survey was conducted to study plant-parasitic nematodes (PPNs) associated with Prunus groves in Spain. This research aimed to determine the prevalence and distribution of PPNs in Prunus groves, as well as the influence of explanatory variables describing soil, climate and agricultural management in structuring the variation of PPNs community composition. A total of 218 sampling sites were surveyed and 84 PPN species belonging to 32 genera were identified based of an integrative taxonomic approach. PPNs species considered as potential limiting factors in Prunus production, such as Meloidogyne arenaria, M. incognita, M. javanica, Pratylenchus penetrans and P. vulnus, were identified in this survey. Seven soil physico-chemical (C, Mg, N, Na, OM, P, pH and clay, loamy sand and sandy loam texture classes), four climate (Bio04, Bio05, Bio13 and Bio14) and four agricultural management variables (grove-use history less than 10 years, irrigation, apricot seedling rootstock, and Montclar rootstock) were identified as the most influential variables driving spatial patterns of PPNs communities. In particular, younger plantations showed higher values for species richness and diversity indices than groves cultivated for more than 20 years with Prunus spp. Our study increases the knowledge of the distribution and prevalence of PPNs associated with Prunus rhizosphere, as well as on the influence of explanatory variables driving the spatial structure PPNs communities, which has important implications for the successful design of sustainable management strategies in the future in this agricultural system.
Keywords	Meloidogyne arenaria ; Pratylenchus penetrans ; Prunus ; agricultural management ; agriculture ; apricots ; clay ; climate ; community structure ; irrigation ; loamy sand soils ; pH ; plant parasitic nematodes ; rhizosphere ; rootstocks ; sandy loam soils ; seedlings ; species richness ; surveys ; texture ; Spain ; Nematodes ; Meloidogyne ; Pratylenchus ; Paratylenchus ; rootstock ; distribution ; soil ; grove-use ; almond ; peach
Language	English
Dates of publication	2023-0224
Publishing place	Elsevier B.V.
Document type	Article ; Online
Note	Pre-press version ; Use and reproduction
ZDB-ID	2660426-7
ISSN	2095-3119
ISSN	2095-3119
DOI	10.1016/j.jia.2023.02.033
Database	NAL-Catalogue (AGRICOLA)

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Article: A Blind-Identification Test on

Archidona-Yuste, Antonio / Palomares-Rius, Juan Emilio / Clavero-Camacho, Ilenia / Cantalapiedra-Navarrete, Carolina / Liébanas, Gracia / Castillo, Pablo

Plants (Basel, Switzerland)

2023 Volume 12, Issue 5

Abstract: Ring nematodes are obligate ectoparasites on crops and natural herbaceous and woody plants, and some species are of economic importance and cause damage to roots of several crops. Recent integrative taxonomical analyses recognized the existence of two ... ...

Abstract	Ring nematodes are obligate ectoparasites on crops and natural herbaceous and woody plants, and some species are of economic importance and cause damage to roots of several crops. Recent integrative taxonomical analyses recognized the existence of two cryptic species within the
Language	English
Publishing date	2023-02-24
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2704341-1
ISSN	2223-7747
ISSN	2223-7747
DOI	10.3390/plants12051044
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: First Report of Heterodera zeae Koshy, Swarup & Sethi, 1971 (corn cyst Nematode) Infecting Corn (Zea mays) in Spain.

Palomares-Rius, Juan Emilio / Clavero-Camacho, Ilenia / Cantalapiedra-Navarrete, Carolina / Roca-Castillo, Luis F / Archidona-Yuste, Antonio / Castillo, Pablo

Plant disease

2023

Abstract: Heterodera zeae Koshy, Swarup & Sethi, 1971 (corn cyst nematode) is an important disease of corn in several areas of the world, including India, Nepal, Pakistan, Egypt, USA, Greece and Portugal (Subbotin et al., 2010). It is a sedentary semi-endoparasite ...

Abstract	Heterodera zeae Koshy, Swarup & Sethi, 1971 (corn cyst nematode) is an important disease of corn in several areas of the world, including India, Nepal, Pakistan, Egypt, USA, Greece and Portugal (Subbotin et al., 2010). It is a sedentary semi-endoparasite feeding on corn roots and other Poaceae plants and has been associated with significant yield losses in corn (Subbotin et al., 2010). During autumn 2022 a plant-parasitic nematode survey performed in corn at central-western area of Spain (Talavera de la Reina, Toledo), revealed a commercial field with stunted plants. Nematodes were extracted from soil by centrifugal-flotation method (Coolen, 1979). Corn roots inspection detected infections by immature and mature cysts, and soil revealed also mature live cysts and second-stage juveniles (J2s) with a population density of 1010 eggs and J2s/500 cm3 soil (including eggs from cysts). J2s and cysts were processed to pure glycerine using De Grisse's (1969) method. DNA was isolated from single live fresh J2s specimens for amplifying and sequencing of cytochrome c oxidase subunit II (COII) mitochondrial region using the primer pair species-specific H.Gly-COIIF_inFOR/P116F-1R (Riepsamen et al., 2011); D2 and D3 expansion domains of the 28S rRNA were amplified using the D2A/D3B primers (De Ley et al. 1999); internal transcribed spacer (ITS) region using primers TW81/AB28 (Subbotin et al., 2001); and cytochrome c oxidase subunit 1 (COI) gene was amplified using the primers JB3/JB5 (Bowles et al., 1992). Brown cysts were lemon-shaped with a protruding vulval cone with fenestra ambifenestrate, bullae prominent below underbridge and characteristically arranged in finger-like bullae (Fig. 1). J2 with slightly offset lip region (3-5 annuli), stylet strong with rounded stylet knobs, lateral field with four lines, and tail short and tapering conically. Measurements of cysts (n=10) included body length 559 (432-688) µm, body width 450 (340-522) µm, fenestral length 40 (36-43) µm, semifenestral width 19 (17-21) µm, and vulval slit 40 (35-44) µm. J2 measurements (n=10) included body length 477 (420-536) µm, stylet length 21 (20-22) µm, tail length 51 (47-56) µm, and tail hyaline region 23 (20-26) µm. Morphology and morphometrics of cysts and J2, fit with original description and others from several countries (Subbotin et al., 2010). Two J2s individuals were sequenced for COII region (OQ509010-OQ509011) showing 97.1-98.1% similarity with H. zeae from USA (HM462012). Six almost identical 28S rRNA sequences from J2s (OQ449649-OQ449654) were 99.2-99.4% similar to 28S rRNA sequences of H. zeae from Greece, Afghanistan and USA (GU145612, JN583885, DQ328695). Four identical ITS DNA fragments from J2s (OQ449655-OQ449658) were 97.0-97.8% similar to ITS sequences of H. zeae from Greece, and China (GU145616, MW785771, OP692770). Finally, six COI sequences of 400 bp obtained for J2s (OQ449699-OQ449704) were under 87% similarity to several COI sequences of Heterodera spp. in NCBI, being a new molecular barcoding for identifying this species. On the basis of these results, the cyst nematodes isolated from the corn plants from the central-western area of Spain (Talavera de la Reina, Toledo) were confirmed as H. zeae and up to our knowledge it is the first report in Spain. This is a well-known pest of corn, causing important losses in this crop (Subbotin et al., 2010) and it was previously regulated as a quarantine nematode in the Mediterranean region (EPPO).
Language	English
Publishing date	2023-04-02
Publishing country	United States
Document type	Journal Article
ZDB-ID	754182-x
ISSN	0191-2917
ISSN	0191-2917
DOI	10.1094/PDIS-02-23-0362-PDN
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: First report of Longidorus leptocephalus Hooper, 1961 (Nematoda

Clavero-Camacho Ilenia / Cantalapiedra-Navarrete Carolina / Kormpi Maria / Palomares-Rius Juan E. / Tzortzakakis Emmanuel A. / Castillo Pablo / Archidona-Yuste Antonio

Journal of Nematology, Vol 54, Iss 1, Pp 97-

Longidoridae) from Greece

2022 Volume 116

Abstract: Longidorid nematodes comprise more than 500 species, and Longidorus and Xiphinema are the most diversified, prevalent, and cosmopolitan genera within plant-parasitic nematodes. The genus Longidorus comprise a group of species, some of which are vectors ... ...

Abstract	Longidorid nematodes comprise more than 500 species, and Longidorus and Xiphinema are the most diversified, prevalent, and cosmopolitan genera within plant-parasitic nematodes. The genus Longidorus comprise a group of species, some of which are vectors of plant viruses. New sampling for needle nematodes was carried out in a grapevine area in Thessaloniki, northern Greece, and one nematode species of Longidorus (L. leptocephalus) was recovered. Nematodes were extracted from soil samples by modified sieving and a decanting method. Extracted specimens were processed using glycerol, mounted on permanent slides, and subsequently identified morphologically. Nematode DNA was extracted from individual, live specimens, and PCR (Polymerase Chain Reaction) assays were performed for D2-D3 expansion segments of 28S rRNA, ITS1 rRNA, and partial mitochondrial COI regions. Morphology and morphometric data obtained from this population were consistent with the original description and reported populations of L. leptocephalus. To our knowledge, this is the first report of L. leptocephalus in Greece and the second in the Mediterranean Basin after the record of the species from Slovenia, extending the geographical distribution of this species in Europe.
Keywords	cytochrome oxidase c subunit 1 ; d2-d3 of 28s rdna ; description ; its1 rdna ; needle nematodes ; taxonomy ; Biology (General) ; QH301-705.5
Subject code	590
Language	English
Publishing date	2022-07-01T00:00:00Z
Publisher	Sciendo
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: A Proposed New Species Complex within the Cosmopolitan Ring Nematode Criconema annuliferum (de Man, 1921) Micoletzky, 1925

Clavero-Camacho, Ilenia / Palomares-Rius, Juan Emilio / Cantalapiedra-Navarrete, Carolina / Castillo, Pablo / Liébanas, Gracia / Archidona-Yuste, Antonio

Plants. 2022 July 29, v. 11, no. 15

2022

Abstract: Ring nematodes are obligate ectoparasites on cultivated and wild herbaceous and woody plants, inhabiting many types of soil, but particularly sandy soils. This study explored the morphometrical and molecular diversity of ring nematodes resembling ... ...

Abstract	Ring nematodes are obligate ectoparasites on cultivated and wild herbaceous and woody plants, inhabiting many types of soil, but particularly sandy soils. This study explored the morphometrical and molecular diversity of ring nematodes resembling Criconema annuliferum in 222 soil samples from fruit crops in Spain, including almond, apricot, peach and plum, as well as populations from cultivated and wild olives, and common yew. Ring nematodes of the genus Criconema were detected in 12 samples from under Prunus spp. (5.5%), showing a low to moderate nematode soil densities in several localities from southeastern and northeastern Spain. The soil population densities of Criconema associated with Prunus spp. ranged from 1 nematode/500 cm³ of soil in apricot at Sástago (Zaragoza province) to 7950 and 42,491 nematodes/500 cm³ of soil in peach at Ricla and Calasparra (Murcia province), respectively. The integrative taxonomical analyses reveal the presence of two cryptic species identified using females, males (when available), and juveniles with detailed morphology, morphometry, and molecular markers (D2-D3, ITS, 18S, and COI), described herein as Criconema paraannuliferum sp. nov. and Criconema plesioannuliferum sp. nov. All molecular markers from each species were obtained from the same individuals, and these individuals were also used for morphological and morphometric analyses. Criconema paraannuliferum sp. nov. was found in a high soil density in two peach fields (7950 and 42,491 nematodes/500 cm³ of soil) showing the possibility of being pathogenic in some circumstances.
Keywords	Criconema ; Prunus ; almonds ; apricots ; cryptic species ; ectoparasites ; fruits ; morphometry ; new species ; peaches ; plums ; ring nematodes ; soil density ; Spain
Language	English
Dates of publication	2022-0729
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article
ZDB-ID	2704341-1
ISSN	2223-7747
ISSN	2223-7747
DOI	10.3390/plants11151977
Database	NAL-Catalogue (AGRICOLA)

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Article: Distribution, Ecological Factors, Molecular Diversity, and Specific PCR for Major Species of Pin Nematodes (Paratylenchus spp.) in Prunus Plantations in Spain

Clavero-Camacho, Ilenia / Cantalapiedra-Navarrete, Carolina / Archidona-Yuste, Antonio / Castillo, Pablo / Palomares-Rius, Juan E.

Plant disease. 2022 Oct. 03, v. 106, no. 10

2022

Abstract: This study aimed to evaluate the prevalence and distribution of Paratylenchus species in the main areas of Prunus spp. production in Spain, their ecological constraints, and new molecular tools for the specific identification of major species. Pin ... ...

Abstract	This study aimed to evaluate the prevalence and distribution of Paratylenchus species in the main areas of Prunus spp. production in Spain, their ecological constraints, and new molecular tools for the specific identification of major species. Pin nematodes are recognized as plant-parasitic nematodes with a wide host range and global distribution. Therefore, understanding the environmental and agronomic factors involved in their distribution is critical to design environmental and sustainable management strategies to reduce plant damage. A total of 219 sampling sites were surveyed and 12 Paratylenchus species were identified based on an integrative taxonomic approach (P. baldaccii, P. enigmaticus, P. goodeyi, P. hamatus, P. holdemani, P. indalus, P. israelensis, P. pedrami, P. tateae, P. tenuicaudatus, P. veruculatus, and P. zurgenerus). The most common pin nematode was P. hamatus, followed by P. tenuicaudatus. Nematode abundance was influenced by climatic characteristics, soil chemical properties, and agronomic management practices. Nine explanatory variables were selected as the most strongly associated with Paratylenchus distribution. Specifically, P. tenuicaudatus was significantly correlated with soil chemical characteristics, such as pH and carbon, sulfur, and sodium content, whereas P. goodeyi was closely related to fields with <10 years of almond cultivation. Species-specific PCRs were developed for P. hamatus and P. tenuicaudatus and their validity was evaluated studying the molecular variability of these species and against other Paratylenchus species.
Keywords	Paratylenchus ; Prunus ; almonds ; carbon ; geographical distribution ; host range ; pH ; plant damage ; plant parasitic nematodes ; sodium ; soil ; sulfur ; Spain
Language	English
Dates of publication	2022-1003
Size	p. 2711-2721.
Publishing place	The American Phytopathological Society
Document type	Article
ZDB-ID	754182-x
ISSN	0191-2917
ISSN	0191-2917
DOI	10.1094/PDIS-01-22-0188-RE
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: First reports of Hemicycliophora poranga, Helicotylenchus dihystera and Tylenchorhynchus zeae (Tylenchomorpha) from Greece and further records of four other nematode species

Clavero-Camacho Ilenia / Ruiz-Cuenca Alba N. / Cantalapiedra-Navarrete Carolina / Archidona-Yuste Antonio / Giannakou Ioannis / Kormpi Maria / Palomares-Rius Juan E. / Castillo Pablo / Tzortzakakis Emmanuel A.

Journal of Nematology, Vol 55, Iss 1, Pp 44-

2023 Volume 56

Abstract: Nematode samplings in various areas and crops of Greece were carried out and the recovered nematode species were characterized using morphological and molecular data. Seven species of plant-parasitic nematodes were recovered, three of which are reported ... ...

Abstract	Nematode samplings in various areas and crops of Greece were carried out and the recovered nematode species were characterized using morphological and molecular data. Seven species of plant-parasitic nematodes were recovered, three of which are reported for the first time in Greece, including Hemicycliophora poranga, Helicotylenchus dihystera and Tylenchorhynchus zeae. Four other recovered species had already been reported in Greece, including Bitylenchus hispaniensis, Helicotylenchus microlobus, Nanidorus minor and Scutellonema brachyurus. D2–D3 segments of 28S rRNA gene for all of these nematode species are provided.
Keywords	d2–d3 of 28s rrna ; sheath ; spiral and stunt nematodes ; taxonomy ; Biology (General) ; QH301-705.5
Language	English
Publishing date	2023-11-01T00:00:00Z
Publisher	Sciendo
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Integrative descriptions and molecular phylogeny of two new needle nematodes of the genus Longidorus (Nematoda: Longidoridae) from Spain

Cai, Ruihang / Archidona-Yuste, Antonio / Cantalapiedra-Navarrete, Carolina / Castillo, Pablo / Palomares-Rius, Juan E

European journal of plant pathology. 2020 Jan., v. 156, no. 1

2020

Abstract: Needle nematodes have an economic importance by causing damage to a wide range of natural and cultivated plants not only by directly feeding on root cells, but also by transmitting plant nepoviruses. Two new Longidorus nematodes, Longidorus oakcrassus n. ...

Abstract	Needle nematodes have an economic importance by causing damage to a wide range of natural and cultivated plants not only by directly feeding on root cells, but also by transmitting plant nepoviruses. Two new Longidorus nematodes, Longidorus oakcrassus n. sp. and Longidorus oakgracilis n. sp., are described and illustrated from populations associated with the rhizosphere of Pyrenean oak (Quercus pyrenaica Wild.) in southern Spain. The taxonomic position of both new species within the genus was assigned using an integrative approach. Morphologically, L. oakcrassus n. sp. is characterized by a female with a large and robust body size (9.2–12.2 mm), lip region anteriorly flattened to slightly rounded and almost continuous or slightly offset by a depression with body contour, ca 25.5–32.0 μm wide, amphidial fovea with slightly asymmetrical lobes, stylet composed by an odontostyle moderately long (110.0–133.5 μm) and odontophore weakly developed, pharynx short ending in a terminal pharyngeal bulb with common arrangement of pharyngeal glands, tail short almost hemispherical shape. Longidorus oakgracilis n. sp. is characterized by having a moderately long and thin female body (5.4–7.9 mm in length), a bluntly-rounded lip region, set off from body contour by a slight depression, amphidial fovea funnel-shaped without lobe, odontostyle moderately long (94.0–106.0 μm), pharyngeal bulb with common arrangement of pharyngeal glands, short tail, bluntly hemispherical. The presence of males is common in both species. Integrative diagnosis was based on molecular data using D2-D3 expansion domains of the 28S rRNA, 18S rRNA, ITS1 rRNA and partial coxI gene sequences and morphology. Although different gene markers show variations in the phylogenetic relationships, phylogeny indicated that L. oakcrassus n. sp. is phylogenetically related with several species described from the Iberian Peninsula, including L. oakgracilis n. sp., which is clustered with L.cf. olegi, L. lusitanicus and L. silvestris.
Keywords	body size ; females ; genes ; internal transcribed spacers ; Longidorus ; males ; Nepovirus ; new species ; pharynx ; phylogeny ; plant root cells ; Quercus pyrenaica ; rhizosphere ; ribosomal DNA ; ribosomal RNA ; scientific illustration ; stylets ; tail ; taxon descriptions ; Iberian Peninsula ; Spain
Language	English
Dates of publication	2020-01
Size	p. 67-86.
Publishing place	Springer Netherlands
Document type	Article
ZDB-ID	1196520-4
ISSN	0929-1873
ISSN	0929-1873
DOI	10.1007/s10658-019-01862-4
Database	NAL-Catalogue (AGRICOLA)

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Article: Remarkable Cryptic Diversity of Paratylenchus spp. (Nematoda: Tylenchulidae) in Spain

Clavero-Camacho, Ilenia / Cantalapiedra-Navarrete, Carolina / Archidona-Yuste, Antonio / Castillo, Pablo / Palomares-Rius, Juan Emilio

Animals. 2021 Apr. 18, v. 11, no. 4

2021

Abstract: In previous studies, fifteen species of Paratylenchus, commonly known as pin nematodes, have been reported in Spain. These plant-parasitic nematodes are ectoparasites with a wide host range and global distribution. In this research, 27 populations from ... ...

Abstract	In previous studies, fifteen species of Paratylenchus, commonly known as pin nematodes, have been reported in Spain. These plant-parasitic nematodes are ectoparasites with a wide host range and global distribution. In this research, 27 populations from twelve Paratylenchus species from 18 municipalities in Spain were studied using morphological, morphometrical and molecular data. This integrative taxonomic approach allowed the identification of twelve species, four of them were considered new undescribed species and eight were already known described. The new species described here are P. caravaquenus sp. nov., P. indalus sp. nov., P. pedrami sp. nov. and P. zurgenerus sp. nov. As for the already known described species, five were considered as first reports for the country, specifically P.enigmaticus, P. hamatus, P. holdemani, P. israelensis, and P. veruculatus, while P. baldaccii, P. goodeyi and P. tenuicaudatus had already been recorded in Spain. This study provides detail morphological and molecular data, including the D2-D3 expansion segments of 28S rRNA, ITS rRNA, and partial mitochondrial COI regions for the identification of different Paratylenchus species found in Spain. These results confirm the extraordinary cryptic diversity in Spain and with examples of morphostatic speciation within the genus Paratylenchus.
Keywords	Paratylenchus ; Tylenchulidae ; ectoparasites ; geographical distribution ; host range ; mitochondria ; new species ; plant parasitic nematodes ; Spain
Language	English
Dates of publication	2021-0418
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article
Note	NAL-AP-2-clean
ISSN	2076-2615
DOI	10.3390/ani11041161
Database	NAL-Catalogue (AGRICOLA)

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Article: Agriculture causes homogenization of plant‐feeding nematode communities at the regional scale

Archidona‐Yuste, Antonio / Wiegand, Thorsten / Eisenhauer, Nico / Cantalapiedra‐Navarrete, Carolina / Palomares‐Rius, Juan E. / Castillo, Pablo

Journal of applied ecology. 2021 Dec., v. 58, no. 12

2021

Abstract: An emerging research line in conservation ecology addresses how environmental change drivers may cause the biotic homogenization of ecological communities by shifts in species diversity and community composition. While the drivers have been explored in ... ...

Abstract	An emerging research line in conservation ecology addresses how environmental change drivers may cause the biotic homogenization of ecological communities by shifts in species diversity and community composition. While the drivers have been explored in unmanaged ecosystems and managed agricultural systems, this issue has received limited attention in regard to a key soil bioindicator organisms, soil nematodes. In this study, we evaluated the effect of land‐use change and intensification on the diversity of plant‐feeding nematodes (PFN) though taxonomic and functional measures of alpha and beta diversity. We selected olive tree farms in southern Spain as the study system, given the wide distribution of wild forms in unmanaged systems and cultivated forms in agricultural systems, thus providing the opportunity to assess the effects of land‐use intensity. Notably, our study revealed that the conversion from natural to agricultural systems and even moderate increases in land‐use intensity caused a significant biotic homogenization by enhancing the functional similarities of PFN communities. Our study emphasizes the key role of body size in structuring nematode communities in response to land‐use type and intensity. Synthesis and applications. The importance of soil nematodes in soil processes is well known. We show that land‐use intensification reduces soil nematode diversity. Our study has important implications for the development of management strategies that foster soil biodiversity conservation such as no or minimal tillage and logging, vegetative covers and the maintenance of natural habitat.
Keywords	Nematoda ; Olea europaea ; applied ecology ; biodiversity conservation ; body size ; community structure ; habitats ; homogenization ; land use change ; minimum tillage ; plant parasitic nematodes ; soil ; soil nematodes ; species diversity ; Spain
Language	English
Dates of publication	2021-12
Size	p. 2881-2891.
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	410405-5
ISSN	1365-2664 ; 0021-8901
ISSN (online)	1365-2664
ISSN	0021-8901
DOI	10.1111/1365-2664.14025
Database	NAL-Catalogue (AGRICOLA)

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