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Article ; Online: A novel partitivirus conferring hypovirulence by affecting vesicle transport in the fungus

Zhu, Jun Zi / Qiu, Ze Lan / Gao, Bi Da / Li, Xiao Gang / Zhong, Jie

2024 Volume 15, Issue 2, Page(s) e0253023

Abstract: ... ...

Abstract	Colletotrichum
MeSH term(s)	Colletotrichum/genetics ; RNA Viruses/genetics ; Virulence ; Mycoses ; Fungal Viruses/genetics ; Plant Diseases/microbiology ; Phylogeny
Language	English
Publishing date	2024-01-09
Publishing country	United States
Document type	Journal Article
ZDB-ID	2557172-2
ISSN	2150-7511 ; 2161-2129
ISSN (online)	2150-7511
ISSN	2161-2129
DOI	10.1128/mbio.02530-23
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Article ; Online: Effect of B. subtilis in simulated acid red soil on the corrosion behavior of X80 pipeline steel.

Duan, Teng / Wu, Zhang-Xiang / Wang, Dan / Du, Cui-Wei / Li, Xiao-Gang / Shen, Qing

Bioelectrochemistry (Amsterdam, Netherlands)

2024 Volume 157, Page(s) 108640

Abstract: The eastern section of China's West-east gas transmission project is laid in acidic red soil. NRB are widespread in soils and play an important role in metal corrosion. In this article, the corrosion failure behavior and mechanism of X80 pipeline steel ... ...

Abstract	The eastern section of China's West-east gas transmission project is laid in acidic red soil. NRB are widespread in soils and play an important role in metal corrosion. In this article, the corrosion failure behavior and mechanism of X80 pipeline steel under the action of NRB in simulated acidic soil were studied. It was found that the biofilm of B. subtilis had significant inhibitory on the overall corrosion of X80 steel. Electrochemical results prove that the corrosion rate of the sterile group after 14 days of immersion was about 4.5 times that of the bacterial group. However, the biofilm promotes the formation of local corrosion pits. Confocal laser scanning microscopy images indicate that that the corrosion pit depth of the bacterial group (46.1 μm) was three times that of the bacterial-free group (15.7 μm) after 14 days. The pH of the acidic environment was slightly improved by B. subtilis. XPS results proved that B. subtilis complicates the corrosion products of X80 steel through its nitrate reduction ability and metabolism.
MeSH term(s)	Steel ; Bacillus subtilis ; Corrosion ; Soil ; Biofilms ; Rhodamines
Chemical Substances	Steel (12597-69-2) ; lissamine rhodamine B (2609-88-3) ; Soil ; Rhodamines
Language	English
Publishing date	2024-01-09
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	2010650-6
ISSN	1878-562X ; 0302-4598 ; 1567-5394
ISSN (online)	1878-562X
ISSN	0302-4598 ; 1567-5394
DOI	10.1016/j.bioelechem.2024.108640
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Article: Identification and Characterization of

Li, Ping / Zhu, Jun-Zi / Li, Xiao-Gang / Zhong, Jie

Plants (Basel, Switzerland)

2022 Volume 11, Issue 12

Abstract: Luffa sponge gourd ( ...

Abstract	Luffa sponge gourd (
Language	English
Publishing date	2022-06-08
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2704341-1
ISSN	2223-7747
ISSN	2223-7747
DOI	10.3390/plants11121537
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Article ; Online: Salinity decreases the contribution of microbial necromass to soil organic carbon pool in arid regions.

Jia, Bin / Mao, Han / Liang, Yanmei / Chen, Jie / Jia, Li / Zhang, Meilan / Li, Xiao Gang

The Science of the total environment

2024 Volume 930, Page(s) 172786

Abstract: Saline soils are widely distributed in arid areas but there is a lack of mechanistic understanding on the effect of salinity on the formation and biochemical composition of soil organic carbon (SOC). We investigated the effects of salinity on the ... ...

Abstract	Saline soils are widely distributed in arid areas but there is a lack of mechanistic understanding on the effect of salinity on the formation and biochemical composition of soil organic carbon (SOC). We investigated the effects of salinity on the accumulation of microbial necromass under natural vegetation and in cropland in salt-affected arid areas stretching over a 1200-km transect in northwest China. Under both natural vegetation and cropland, microbial physiological activity (indicated by microbial biomass carbon normalized enzymatic activity) decreased sharply where the electrical conductivity approached 4 ds m
MeSH term(s)	Salinity ; Soil Microbiology ; Soil/chemistry ; Carbon/metabolism ; Carbon/analysis ; China ; Fungi ; Desert Climate ; Bacteria/metabolism ; Biomass
Chemical Substances	Soil ; Carbon (7440-44-0)
Language	English
Publishing date	2024-04-25
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	121506-1
ISSN	1879-1026 ; 0048-9697
ISSN (online)	1879-1026
ISSN	0048-9697
DOI	10.1016/j.scitotenv.2024.172786
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Article ; Online: Effect of the Water Content on the Adsorption of CO

Guo, Detang / Zhang, Lie-Hui / Li, Xiao-Gang / Yang, Xu / Zhao, Yu-Long / Chen, Xin

Langmuir : the ACS journal of surfaces and colloids

2023 Volume 40, Issue 1, Page(s) 818–826

Abstract: It is significant to understand the adsorption mechanisms of shale gas ( ... ...

Abstract	It is significant to understand the adsorption mechanisms of shale gas (CH
Language	English
Publishing date	2023-12-26
Publishing country	United States
Document type	Journal Article
ZDB-ID	2005937-1
ISSN	1520-5827 ; 0743-7463
ISSN (online)	1520-5827
ISSN	0743-7463
DOI	10.1021/acs.langmuir.3c03011
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Article ; Online: Agricultural soil aggregation is affected by the crop root biomass rather than morphological characteristics

Ma, Qiu‐Jin / Luan, Feng / Jia, Bin / Zhang, Qian / Wang, Lin / Cui, Zengtuan / Li, Xiao Gang

Journal of Plant Nutrition and Soil Science. 2023 June, v. 186, no. 3 p.339-350

2023

Abstract: BACKGROUND: In areas prone to water erosion, crop selection strategies should be based on assessment of their effects on soil structural properties. AIMS: The present study compared the effects of the cultivation of forage maize (Zea mays L.) and forage ... ...

Abstract	BACKGROUND: In areas prone to water erosion, crop selection strategies should be based on assessment of their effects on soil structural properties. AIMS: The present study compared the effects of the cultivation of forage maize (Zea mays L.) and forage oat (Avena sativa L.) and their cultivars on soil aggregation relative to potato (Solanum tuberosum L.) or wheat (Triticum aestivum L.) at a hydrothermally limited site on the Loess Plateau, China. METHODS: The water‐stable aggregate (WSA) distribution in soil was measured under three cultivars in each of maize, oat, wheat, and potato (a total of 12 cultivars from four crops) in their flowering stage of three cropping seasons, when root biomass was largest. RESULTS: In each year, the water‐stable macroaggregates (>0.25 mm) content and mean weight diameter (MWD) of WSAs in the top 20 cm of soil did not differ between tested cultivars of every crop but increased under maize and oat, compared with those under wheat or potato. The increased soil aggregation under maize and oat, compared with wheat or potato, was consistent with the pattern of change in root biomass but was not consistent with the changes in root length density, root surface area, or root mean diameter across the crops. The water‐stable macroaggregates content and MWD of soil was positively correlated with root biomass across cultivars and crop species within each cropping season. CONCLUSIONS: We suggest that increased root biomass under maize and oat relative to potato or wheat resulted in increased soil aggregation in maize and oat cultivated soils. It is demonstrated that, in areas prone to soil water erosion, planting high‐biomass‐yielding crops such as maize and oat is more beneficial for increasing soil aggregation and stability, compared with low‐biomass‐yielding crops such as wheat or potato.
Keywords	Avena sativa ; Solanum tuberosum ; Triticum aestivum ; Zea mays ; agricultural soils ; biomass ; corn ; cultivars ; forage ; oats ; plant nutrition ; potatoes ; soil aggregation ; soil water ; surface area ; water erosion ; wheat ; China
Language	English
Dates of publication	2023-06
Size	p. 339-350.
Publishing place	John Wiley & Sons, Ltd
Document type	Article ; Online
Note	JOURNAL ARTICLE
ISSN	1436-8730
DOI	10.1002/jpln.202200293
Database	NAL-Catalogue (AGRICOLA)

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Article: Identification and Characterization of Colletotrichum fructicola and Colletotrichum siamense Causing Anthracnose on Luffa Sponge Gourd in China

Li, Ping / Zhu, Jun-Zi / Li, Xiao-Gang / Zhong, Jie

Plants. 2022 June 08, v. 11, no. 12

2022

Abstract: Luffa sponge gourd (Luffa cylindrica) is an important cucurbitaceous vegetable and is known as the source of loofah. From 2020 to 2021, a leaf disease occurred on luffa leaves in the Hunan Province of China. Symptoms were displayed as oval to irregular ... ...

Abstract	Luffa sponge gourd (Luffa cylindrica) is an important cucurbitaceous vegetable and is known as the source of loofah. From 2020 to 2021, a leaf disease occurred on luffa leaves in the Hunan Province of China. Symptoms were displayed as oval to irregular chlorotic lesions surrounded by yellow halos. The pathogens were isolated from the affected leaves. According to morphological characterization and molecular identification using multi-locus phylogenetic analysis of the internal transcribed spacer (ITS), actin (ACT), chitin synthase (CHS-1), glyceraldehyde-3-phosphate dehydrogenase (GAPDH), β-tubulin (TUB2), and partial mating type (Mat1-2) gene (ApMAT) regions, the pathogens were identified as two Colletotrichum species: Colletotrichum fructicola and C. siamense. Koch’s postulates were identified by a pathogenicity test and re-confirmation. To the best of our knowledge, C. fructicola and C. siamense are two new species associated with luffa sponge gourd anthracnose.
Keywords	Colletotrichum fructicola ; Luffa aegyptiaca ; actin ; anthracnose ; chitin synthase ; foliar diseases ; genes ; glyceraldehyde-3-phosphate dehydrogenase ; internal transcribed spacers ; new species ; pathogenicity ; phylogeny ; vegetables ; China
Language	English
Dates of publication	2022-0608
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article
ZDB-ID	2704341-1
ISSN	2223-7747
ISSN	2223-7747
DOI	10.3390/plants11121537
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Article: Plastic‐film mulch affects partitioning of maize biomass and nutrients to grain

Guan, Zhen‐Huan / Wang, Lin / Turner, Neil C. / Li, Xiao Gang

Crop science. 2022 Jan., v. 62, no. 1

2022

Abstract: Plastic‐film mulch significantly improves maize (Zea mays L.) productivity in hydrothermally limited areas, but there is a lack of understanding of how mulch affects the partitioning of dry matter and nutrients to grain. This study was conducted to ... ...

Abstract	Plastic‐film mulch significantly improves maize (Zea mays L.) productivity in hydrothermally limited areas, but there is a lack of understanding of how mulch affects the partitioning of dry matter and nutrients to grain. This study was conducted to investigate the effects of plastic‐film mulch on the remobilization of biomass and nutrients accumulated in the presilking stage to grain during the grain‐filling period. A 2‐yr field experiment was conducted with five maize hybrids in a cold semiarid environment. The vegetative biomass in all cultivars at maturity was generally greater than that at silking regardless of whether the soil was mulched or not, indicating that there was no translocation of presilking assimilates to the grain. The increased grain yield in plastic‐film mulched plots compared with those that were nonmulched was ascribed to their enhanced partitioning of postsilking assimilates to grain. Conversely, increased accumulation of nitrogen and phosphorus in grain at maturity under mulch relative to no mulch mainly was due to increased remobilization from presilking vegetative organs. The benefit of plastic‐film mulch in increasing the partitioning of postsilking assimilates and the remobilization of nutrients from presilking vegetative organs was greater in a drier than in a wetter year. The results of this study strongly support the conclusion that in hydrothermally limited environments, maize generally does not remobilize presilking assimilates but does remobilize presilking nitrogen and phosphorus in vegetative organs to the grain during grain filling. Further, plastic‐film mulched, relative to nonmulched, maize increases the translocation to the grain of postsilking assimilates and presilking nitrogen and phosphorus accumulated in vegetative organs.
Keywords	Zea mays ; biomass ; cold ; corn ; cultivars ; field experimentation ; filling period ; grain yield ; mulching ; nitrogen ; phosphorus ; plastic film ; semiarid zones ; soil
Language	English
Dates of publication	2022-01
Size	p. 315-325.
Publishing place	John Wiley & Sons, Ltd
Document type	Article
Note	JOURNAL ARTICLE
ZDB-ID	410209-5
ISSN	0011-183X
ISSN	0011-183X
DOI	10.1002/csc2.20677
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Article: Leguminous Caragana korshinskii evidently enhances microbial necromass carbon accumulation in dryland soils

Jia, Bin / Jia, Li / Zhang, Yanming / Mou, Xiao Ming / Li, Xiao Gang

Catena. 2022 Aug., v. 215

2022

Abstract: The planting of nitrogen (N)-fixing leguminous plants is a common measure to restore degraded vegetation and sequester soil organic carbon (SOC) in globally vast arid areas where N deficiency is a limiting factor for plants. However, the effect of ... ...

Abstract	The planting of nitrogen (N)-fixing leguminous plants is a common measure to restore degraded vegetation and sequester soil organic carbon (SOC) in globally vast arid areas where N deficiency is a limiting factor for plants. However, the effect of leguminous plants on microbial synthesized SOC accumulation remains a knowledge gap. We investigated the effects of planting shrubs (leguminous Caragana korshinskii and non leguminous Salix psammophila) in abandoned croplands on microbial substance accumulation in soil compared with natural succession (dominated by non leguminous semi-shrub Artemisia desertorum) in an arid area. Seventeen years after plantation, C. korshinskii increased SOC stock in the top 20 cm across canopy and gap areas by 34–80%, but S. psammophila did not affect SOC compared with abandonment (A. desertorum). This variation in the SOC stock across three vegetation types was not consistent with change patterns of aboveground litter accumulation and root biomass, but was consistent with higher living microbial biomass and non living microbial necromass contents in the soil and their proportions in the SOC under leguminous C. korshinskii than non leguminous A. desertorum and S. psammophila. These results indicated that the increased SOC under the leguminous relative to non leguminous species was mainly ascribed to the increased accumulation of microbial synthesized substances under the legume. Microbial necromass N represented 56–59% of total soil N under C. korshinskii, but this proportion was only 25–39% under non leguminous species, responding to much greater plant N input and soil N availability under the legume. Therefore, we suggest that symbiotic N fixation by leguminous species increased the production of microbial biomass and potentially decreased the reuse of N from microbial necromass compared with non leguminous species. As such, legumes can efficiently increase the net accumulation of microbial necromass carbon and thus the SOC content in dryland soils.
Keywords	Artemisia ; Caragana korshinskii ; Salix psammophila ; arid lands ; canopy ; catenas ; legumes ; microbial biomass ; necromass ; nitrogen ; nitrogen fixation ; soil ; soil organic carbon
Language	English
Dates of publication	2022-08
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	519608-5
ISSN	1872-6887 ; 0008-7769 ; 0341-8162
ISSN (online)	1872-6887 ; 0008-7769
ISSN	0341-8162
DOI	10.1016/j.catena.2022.106342
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Article: First Report of Southern Blight on Aloe vera Caused by Athelia rolfsii in China.

Zhu, Jun Zi / Ma, Ya-Ming / Wang, Xiao Li / Zhong, Jie / Zhang, Zhuo / Li, Xiao Gang

Plant disease

2022

Abstract: Aloe vera (L.) Burm f., which belongs to the family Aloaceae, is a perennial succulent plant and cultivated for its medicinal, cosmetic, vegetable and ornamental uses. In summer of 2021, about 15% (60 infected among 400 surveyed plants) of A. vera (A. ... ...

Abstract	Aloe vera (L.) Burm f., which belongs to the family Aloaceae, is a perennial succulent plant and cultivated for its medicinal, cosmetic, vegetable and ornamental uses. In summer of 2021, about 15% (60 infected among 400 surveyed plants) of A. vera (A. barbadensis) plants in two gardens in Lishui, Zhejiang Province of China showed symptoms of southern blight disease. Symptomatic plants primarily exhibited slightly sunken water-soaked, dark brown lesions on taproot and basal part of the stems. As the disease progressed, leaves in the basal part of stems and subsequently the whole plant rotted and withered, with white mycelial mats occurring on infected stems and leaves. Numerous brown, spherical sclerotia were observed on the colonized tissues and soil surfaces around the infected plants. Mycelial fragments and sclerotia from symptomatic leaves were plated directly to potato dextrose agar (PDA) amended with 100 μg/ml streptomycin and incubated at 26°C in the dark. By hyphal-tip method, a total of five pure isolates were obtained from five diseased leaf samples. When cultured on PDA at 26°C for three days, colonies showed white and thick aerial mycelium, with a radial growth rate of 23.7 mm/day. Typical clamp connection structures were observed microscopically after three days and numerous globoid, rapeseed shape sclerotia, measuring 1 to 2 mm in diameter (n=50) formed after six days. These sclerotia were initially white and gradually turned dark brown with age. On the basis of morphological characteristics, the fungal isolates were identified as Athelia rolfsii (Curzi) C.C. Tu & Kimbr (anamorph Sclerotium rolfsii Sacc) (Mordue 1974). The internal transcribed spacer (ITS) and translation elongation factor 1-α gene (TEF1) regions of a representative isolate LHBJ2-4 were amplified and sequenced using the primers ITS4/ITS5 (White et al. 1990) and EF1/EF2, respectively (accession no. MZ956758 and OL365370). BLASTn search showed that the amplified ITS and TEF1 sequences had 99.71% (680/682 bp) and 99.80% (498/499 bp) identity with the A. rolfsii isolates CBS 115.22 (MH854711.1) and Sr_286 (JF267815), respectively. Neighbor-joining phylogenetic tree based on the ITS sequences revealed that LHBJ2-4 clustered with A. rolfsii isolates. For pathogenicity test, three potted A. vera plants (~30 cm tall) were inoculated by placing a 0.5 cm mycelial plug of isolate LHBJ2-4 (three-day old) at the base of each A. vera plant. Three A. vera plants inoculated with sterile PDA plugs served as controls. All the inoculated plants were placed in a growth chamber at 27°C under a 12/12 h light/dark cycle. The inoculation assays were carried out twice. After 5 to 7 days, stem bases of the inoculated plants showed brown lesions that were similar to those observed in the field. However, control plants remained symptomless. Athelia rolfsii was re-isolated from all the inoculated plants and identified using morphological and molecular method described above, thus confirming Koch's postulates. Although A. rolfsii has been reported to cause disease on A. vera in India (Dubey and Pandey 2009), to the best of our knowledge, this is the first report of A. rolfsii causing southern blight on A. vera in China. Because A. rolfsii has a wide host range and is difficult to control (Punja 1985), occurrence of southern blight in China might be a serious threat for A. vera production and appropriate management strategies should be developed to control this disease.
Language	English
Publishing date	2022-02-11
Publishing country	United States
Document type	Journal Article
ZDB-ID	754182-x
ISSN	0191-2917
ISSN	0191-2917
DOI	10.1094/PDIS-08-21-1850-PDN
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