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  1. Article ; Online: Assessment of the Biocontrol Potential of

    Wang, Bingce / Guo, Yushan / Chen, Xuetang / Ma, Jiling / Lei, Xia / Wang, Weizhen / Long, Youhua

    International journal of molecular sciences

    2023  Volume 24, Issue 14

    Abstract: Kiwifruit canker disease, caused ... ...

    Abstract Kiwifruit canker disease, caused by
    MeSH term(s) Pseudomonas syringae ; Plant Diseases/prevention & control ; Plant Diseases/microbiology ; Bacillus ; Actinidia/microbiology
    Language English
    Publishing date 2023-07-16
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2019364-6
    ISSN 1422-0067 ; 1422-0067 ; 1661-6596
    ISSN (online) 1422-0067
    ISSN 1422-0067 ; 1661-6596
    DOI 10.3390/ijms241411541
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Genome-wide identification and expression patterns of the laccase gene family in response to kiwifruit bacterial canker infection.

    Zhang, Zhuzhu / Long, Youhua / Yin, Xianhui / Wang, Weizhen / Li, Wenzhi / Jiang, Lingli / Chen, Xuetang / Wang, Bince / Ma, Jiling

    BMC plant biology

    2023  Volume 23, Issue 1, Page(s) 591

    Abstract: Background: Kiwifruit bacterial canker, caused by Pseudomonas syringae pv. actinidiae (Psa), is a destructive disease worldwide. Resistance genes that respond to Psa infection urgently need to be identified for controlling this disease. Laccase is ... ...

    Abstract Background: Kiwifruit bacterial canker, caused by Pseudomonas syringae pv. actinidiae (Psa), is a destructive disease worldwide. Resistance genes that respond to Psa infection urgently need to be identified for controlling this disease. Laccase is mainly involved in the synthesis of lignin in the plant cell wall and plays a prominent role in plant growth and resistance to pathogen infection. However, the role of laccase in kiwifruit has not been reported, and whether laccase is pivotal in the response to Psa infection remains unclear.
    Results: We conducted a bioinformatics analysis to identify 55 laccase genes (AcLAC1-AcLAC55) in the kiwifruit genome. These genes were classified into five cluster groups (I-V) based on phylogenetic analysis, with cluster groups I and II having the highest number of members. Analysis of the exon-intron structure revealed that the number of exons varied from 1 to 8, with an average of 5 introns. Our evolutionary analysis indicated that fragment duplication played a key role in the expansion of kiwifruit laccase genes. Furthermore, evolutionary pressure analysis suggested that AcLAC genes were under purifying selection. We also performed a cis-acting element analysis and found that AcLAC genes contained multiple hormone (337) and stress signal (36) elements in their promoter regions. Additionally, we investigated the expression pattern of laccase genes in kiwifruit stems and leaves infected with Psa. Our findings revealed that laccase gene expression levels in the stems were higher than those in the leaves 5 days after inoculation with Psa. Notably, AcLAC2, AcLAC4, AcLAC17, AcLAC18, AcLAC26, and AcLAC42 showed significantly higher expression levels (p < 0.001) compared to the non-inoculated control (0 d), suggesting their potential role in resisting Psa infection. Moreover, our prediction indicated that 21 kiwifruit laccase genes are regulated by miRNA397, they could potentially act as negative regulators of lignin biosynthesis.
    Conclusions: These results are valuable for further analysis of the resistance function and molecular mechanism of laccases in kiwifruit.
    MeSH term(s) Laccase/genetics ; Phylogeny ; Lignin ; Biological Evolution ; Actinidia/genetics ; Actinidia/microbiology ; Pseudomonas syringae/physiology ; Plant Diseases/genetics ; Plant Diseases/microbiology
    Chemical Substances Laccase (EC 1.10.3.2) ; Lignin (9005-53-2)
    Language English
    Publishing date 2023-11-27
    Publishing country England
    Document type Journal Article
    ZDB-ID 2059868-3
    ISSN 1471-2229 ; 1471-2229
    ISSN (online) 1471-2229
    ISSN 1471-2229
    DOI 10.1186/s12870-023-04606-z
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Metabolome and Transcriptome Analysis of Sulfur-Induced Kiwifruit Stem Laccase Gene Involved in Syringyl Lignin Synthesis against Bacterial Canker.

    Zhang, Zhuzhu / Long, Youhua / Yin, Xianhui / Wang, Weizhen / Li, Wenzhi / Chen, Tingting / Chen, Jia / Chen, Xuetang / Wang, Bince / Ma, Jiling

    Journal of agricultural and food chemistry

    2023  Volume 71, Issue 36, Page(s) 13566–13576

    Abstract: Kiwifruit canker is caused ... ...

    Abstract Kiwifruit canker is caused by
    MeSH term(s) Laccase/genetics ; Lignin ; Disease Resistance ; Metabolome ; Gene Expression Profiling ; Actinidia/genetics ; Sulfur
    Chemical Substances sinapinic acid (68A28V6010) ; sinapyl alcohol (8O6NO04SMV) ; Laccase (EC 1.10.3.2) ; Lignin (9005-53-2) ; Sulfur (70FD1KFU70)
    Language English
    Publishing date 2023-08-31
    Publishing country United States
    Document type Journal Article
    ZDB-ID 241619-0
    ISSN 1520-5118 ; 0021-8561
    ISSN (online) 1520-5118
    ISSN 0021-8561
    DOI 10.1021/acs.jafc.3c02653
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 1172: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  4. Article ; Online: Honokiol inhibits Botryosphaeria dothidea, the causal pathogen of kiwifruit soft rot, by targeting membrane lipid biosynthesis.

    Zhang, Zhuzhu / Chen, Tingting / Yin, Xianhui / Wang, Weizhen / Li, Wenzhi / Chen, Xuetang / Ma, Jiling / Long, Youhua

    Pest management science

    2023  Volume 80, Issue 4, Page(s) 1779–1794

    Abstract: Background: Kiwifruit soft rot is mainly caused by Botryosphaeria dothidea, representing a considerable threat to kiwifruit industry. This investigation assessed the inhibitory consequences and mechanisms of honokiol against B. dothidea, evaluating the ... ...

    Abstract Background: Kiwifruit soft rot is mainly caused by Botryosphaeria dothidea, representing a considerable threat to kiwifruit industry. This investigation assessed the inhibitory consequences and mechanisms of honokiol against B. dothidea, evaluating the inhibitory effects and underlying mechanism.
    Results: A strain of B.dothidea (XFCT-2) was isolated from infected soft rot kiwifruit. The findings indicate that honokiol hindered the mycelial growth, conidial germination, and pathogenicity of B. dothidea in a dose-dependent manner, both in vitro and in vivo. Furthermore, ultrastructural examinations showed that honokiol impaired the integrity of B. dothidea, leading to an elevation in cell membrane permeability, engendering a multitude of intracellular substance extravasations and hampering energy metabolism. Transcriptome analysis exhibited that honokiol-regulated genes were related to membrane lipid biosynthesis, comprising ACC1, FAS2, Arp2, gk, Cesle, and Etnk1. These findings indicate that honokiol impedes B. dothidea by obstructing lipid biosynthesis within the cell membrane and compromising its integrity, halting the growth of the mycelia, which could potentially cause cellular demise.
    Conclusion: This investigation illustrates how honokiol functions as an eco-friendly approach to prevent the occurrence of soft rot in kiwifruits. © 2023 Society of Chemical Industry.
    MeSH term(s) Ascomycota ; Gene Expression Profiling ; Actinidia ; Membrane Lipids/pharmacology ; Allyl Compounds ; Biphenyl Compounds ; Phenols
    Chemical Substances honokiol (11513CCO0N) ; Membrane Lipids ; Allyl Compounds ; Biphenyl Compounds ; Phenols
    Language English
    Publishing date 2023-12-15
    Publishing country England
    Document type Journal Article
    ZDB-ID 2001705-4
    ISSN 1526-4998 ; 1526-498X
    ISSN (online) 1526-4998
    ISSN 1526-498X
    DOI 10.1002/ps.7910
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 2731: Show issues

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  5. Article: Identification of the Causal Agent of Brown Leaf Spot on Kiwifruit and Its Sensitivity to Different Active Ingredients of Biological Fungicides

    Chen, Jia / Ran, Fei / Shi, Jinqiao / Chen, Tingting / Zhao, Zhibo / Zhang, Zhuzhu / He, Linan / Li, Wenzhi / Wang, Bingce / Chen, Xuetang / Wang, Weizhen / Long, Youhua

    Pathogens. 2022 June 10, v. 11, no. 6

    2022  

    Abstract: Kiwifruit (Actinidia chinensis) is an important commercial crop in China, and the occurrence of diseases may cause significant economic loss in its production. In the present study, a new pathogen that causes brown leaf spot disease on kiwifruit was ... ...

    Abstract Kiwifruit (Actinidia chinensis) is an important commercial crop in China, and the occurrence of diseases may cause significant economic loss in its production. In the present study, a new pathogen that causes brown leaf spot disease on kiwifruit was reported. The fungus was isolated from an infected sample and identified as Fusarium graminearum based on morphological and molecular evaluation. Koch’s postulates were confirmed when the pathogen was re-isolated from plants with artificially induced symptoms and identified as F. graminearum. Based on the biological characteristics of the pathogen, it was determined that: its optimal growth temperature was 25 °C; optimal pH was 7; most suitable carbon source was soluble starch; most suitable nitrogen source was yeast powder; and best photoperiod was 12 h light/12 h dark. Further investigations were conducted by determining 50% effective concentrations (EC₅₀) of several active ingredients of biological fungicides against F. graminearum. The results showed that among the studied fungicides, tetramycin and honokiol had the highest antifungal activity against this pathogen. Our findings provide a scientific basis for the prevention and treatment of brown leaf spot disease on kiwifruit.
    Keywords Actinidia chinensis ; Fusarium graminearum ; antifungal properties ; carbon ; financial economics ; honokiol ; kiwifruit ; leaf spot ; nitrogen ; pH ; pathogens ; starch ; temperature ; yeasts ; China
    Language English
    Dates of publication 2022-0610
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article
    ZDB-ID 2695572-6
    ISSN 2076-0817
    ISSN 2076-0817
    DOI 10.3390/pathogens11060673
    Database NAL-Catalogue (AGRICOLA)

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  6. Article ; Online: Antifungal activity and mechanism of tetramycin against Alternaria alternata, the soft rot causing fungi in kiwifruit.

    Li, Wenzhi / Long, Youhua / Yin, Xianhui / Wang, Weizhen / Zhang, Rongquan / Mo, Feixu / Zhang, Zhuzhu / Chen, Tingting / Chen, Jia / Wang, Bingce / Chen, Xuetang

    Pesticide biochemistry and physiology

    2023  Volume 192, Page(s) 105409

    Abstract: Kiwifruit rot caused by the fungus Alternaria alternata occurs in many countries, leading to considerable losses during kiwifruit production. In this study, we evaluated the antifungal activity and mechanism of tetramycin against kiwifruit soft rot ... ...

    Abstract Kiwifruit rot caused by the fungus Alternaria alternata occurs in many countries, leading to considerable losses during kiwifruit production. In this study, we evaluated the antifungal activity and mechanism of tetramycin against kiwifruit soft rot caused by Alternaria alternata. Tetramycin exerted antifungal effects through the suppression of mycelial growth, conidial germination, and the pathogenicity of A. alternata. Scanning electron microscopic observations revealed that tetramycin destroyed the mycelial structure, causing the mycelia to twist, shrink, and even break. Furthermore, transmission electron microscopy revealed that tetramycin caused severe plasmolysis and a decrease in cell inclusions, and the cell wall appeared thinner with blurred boundaries. In addition, tetramycin destroyed cell membrane integrity, resulting in the leakage of cellular components such as nucleic acids and proteins in mycelial suspensions. Moreover, tetramycin also caused cell wall lysis by enhancing the activities of chitinase and β-1,3-glucanase and inducing the overexpression of related chitinase gene (Chit) and β-1,3-glucanase gene (β-1,3-glu) in A. alternata. In field trials, tetramycin not only decreased the incidence of kiwifruit rot but also create a beneficial living space for kiwifruit growth. Overall, this study indicated that the application of tetramycin could serve as an alternative measure for the management of kiwifruit rot.
    MeSH term(s) Antifungal Agents/pharmacology ; Plant Diseases/prevention & control ; Plant Diseases/microbiology ; Alternaria
    Chemical Substances Antifungal Agents ; tetramycin
    Language English
    Publishing date 2023-03-27
    Publishing country United States
    Document type Journal Article
    ZDB-ID 184819-7
    ISSN 1095-9939 ; 0048-3583 ; 0048-3575
    ISSN (online) 1095-9939
    ISSN 0048-3583 ; 0048-3575
    DOI 10.1016/j.pestbp.2023.105409
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 3585: Show issues

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  7. Article: Correction: Chen et al. Identification of the Causal Agent of Brown Leaf Spot on Kiwifruit and Its Sensitivity to Different Active Ingredients of Biological Fungicides.

    Chen, Jia / Ran, Fei / Shi, Jinqiao / Chen, Tingting / Zhao, Zhibo / Zhang, Zhuzhu / He, Linan / Li, Wenzhi / Wang, Bingce / Chen, Xuetang / Wang, Weizhen / Long, Youhua

    Pathogens (Basel, Switzerland)

    2023  Volume 12, Issue 11

    Abstract: In the original publication [ ... ]. ...

    Abstract In the original publication [...].
    Language English
    Publishing date 2023-11-08
    Publishing country Switzerland
    Document type Published Erratum
    ZDB-ID 2695572-6
    ISSN 2076-0817
    ISSN 2076-0817
    DOI 10.3390/pathogens12111327
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Identification of the Causal Agent of Brown Leaf Spot on Kiwifruit and Its Sensitivity to Different Active Ingredients of Biological Fungicides.

    Chen, Jia / Ran, Fei / Shi, Jinqiao / Chen, Tingting / Zhao, Zhibo / Zhang, Zhuzhu / He, Linan / Li, Wenzhi / Wang, Bingce / Chen, Xuetang / Wang, Weizhen / Long, Youhua

    Pathogens (Basel, Switzerland)

    2022  Volume 11, Issue 6

    Abstract: Kiwifruit ( ...

    Abstract Kiwifruit (
    Language English
    Publishing date 2022-06-10
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2695572-6
    ISSN 2076-0817
    ISSN 2076-0817
    DOI 10.3390/pathogens11060673
    Database MEDical Literature Analysis and Retrieval System OnLINE

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