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Plant biotic interactions: From fundamental research toward sustainable agriculture

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Journal of Integrative Plant Biology 2021年第2期63卷 275-276页

作者： rosa lozano-duran Suomeng Dong Shanghai Center for Plant Stress Biology CAS Center for Excellence in Molecular Plant Sciencesthe Chinese Academy of SciencesShanghai 201602China Department of Plant Biochemistry Centre for Plant Molecular Biology(ZMBP)Eberhard Karls UniversityD-72076 TubingenGermany The Key Laboratory of Plant Immunity and Department of Plant Pathology Nanjing Agricultural UniversityNanjing 210095China

Plants not only provide food and natural materials for humankind, but also constitute an indispensable part of the ecological system of this planet:without plants, life as we know it would simply not be possible. Through their lifespans,plants interact with a plethora of other organisms, including beneficial microbes and potential pathogens. Dissecting the underlying mechanisms determining the outcome of plant biotic interactions is a cornerstone for the design of rational management strategies to secure global food production and ecological balance.

关键词： corners planet rational

The cartography of plant immunity: Proximity labeling puts a novel SGT1–nSL1 regulatory module on the map

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Molecular Plant 2024年第11期17卷 1645-1647页

作者： Huang Tan Chaonan Shi Alberto PMacho rosa lozano-durán Department of Plant Biochemistry Center for Plant Molecular Biology(ZMBP)Eberhard Karls University72076 TübingenGermany Shanghai Center for Plant Stress Biology CAS Center for Excellence in Molecular Plant SciencesChinese Academy of SciencesShanghai 201602China These authors contributed equally to this article

Keeping immune responses in an off state in the absence of a threat is essential to avoid the deleterious consequences of autoimmunity,while their timely activation upon perception of non-self determines the capacity of an organism to defend against potential *** plants,constitutive or untimely activation of immune responses dramatically limits growth and reproduction,highlighting the essential role of negative regulators of immunity for plant *** a number of such regulators have been identified in the past couple of decades,the full complexity of the molecular mechanisms deployed by plants to ensure an appropriately controlled activation of immune responses,as well as their coordination with growth and development,are still largely elusive.

关键词： immunity consequences constitutive

Do plant histone variants stand idly by while DnA viruses invade the nucleus?

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Stress Biology 2023年第1期3卷 507-510页

作者： Zhihao Jiang rosa lozano-durán Department of Plant Biochemistry Center for Molecular Plant Biology(ZMBP)Eberhard-Karls University of TübingenTübingenGermany

Main text,In the eukaryotic nucleus,the cellular DnA is always wrapped around protein octamers containing two molecules each of histone H2A,H2B,H3,and H4,forming the nucleosome to compact,protect,organize,and control the *** histone H1 binds to DnA at the entry and exit sites of the core *** n-terminal tails of these histones protrude from the nucleosomes and are the sites of various post-translational modifications,such as methylation,acetylation,phosphorylation,and ubiquitination,all of which jointly modulate gene expression,DnA replication,and DnA repair,among other processes(Foroozani et al.2022).

关键词： DnA nucleosome plant

Chloroplast immunity: A cornerstone of plant defense

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Molecular Plant 2024年第5期17卷 686-688页

作者： Jie Liu Pan Gong Ruobin Lu rosa lozano-duran Xueping Zhou Fangfang Li State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijing 100081China State Key Laboratory of Rice Biology Institute of BiotechnologyZhejiang UniversityHangzhouZhejiang 310058China Department of Plant Biochemistry Centre for Plant Molecular Biology(ZMBP)Eberhard Karls UniversityTubingen 72076Germany

Increasing evidence supports the notion that pattern-recognition-receptor-mediated immunity goes beyond plasma membrane-to-nucleus *** the findings of the pathways linking plasma membrane and chloroplasts and the functions of stromules and perinuclear chloroplast clustering(PCC)in plant defense,chloroplast immunity has emerged as a cornerstone of plant defense and a target of plant pathogens.

关键词： plant immunity corners

Arabidopsis nahG Plants as a Suitable and Efficient System for Transient Expression using Agrobacte#um tumefaciens

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Molecular Plant 2017年第2期10卷 353-356页

作者： Tábata rosas-Díaz Pepe Cana-Quijada Vitor Amorim-Silva Miguel A. Botella rosa lozano-durán Eduardo R. Bejarano Shanghai Center for Plant Stress Biology (PSC) Shanghai Institutes of Biological Sciences Chinese Academy of Sciences Shanghai 201602 China

Dear Editor Research in molecular plant biology has largely benefitted from technologies allowing exogenous gene expression. While the generation of stable transgenic lines is required in some cases, transient transfo... 详细信息

关键词： Suitable Transient tumefaciens

no evidence of seed transmissibility of Tomato yellow leaf curl virus in nicotiana benthamiana

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2017年第5期18卷 437-440页

作者： Tábata rosaS-DíAZ Dan ZHAnG rosa lozano-durán Shanghai Center for Plant Stress Biology Shanghai Institutes of Biological SciencesUniversity of Chinese Academy of SciencesShanghai 200031China

最近有研究报道番茄黄化卷叶病毒在番茄中可以通过种子传播,这个结论与之前的普遍观念是相反的。为了确定该病毒的种子传播性是否是在不同寄主植物中具有普遍性,我们检测了该病毒在本氏烟中通过种子的传播能力。实验结果证明在我们的实... 详细信息

最近有研究报道番茄黄化卷叶病毒在番茄中可以通过种子传播,这个结论与之前的普遍观念是相反的。为了确定该病毒的种子传播性是否是在不同寄主植物中具有普遍性,我们检测了该病毒在本氏烟中通过种子的传播能力。实验结果证明在我们的实验条件下,番茄黄化卷叶病毒在本氏烟中没有种子传播性,从而说明该病毒在不同寄主植物中的种子传播性是不同的。不同的生长条件造成影响的可能性也需要被考虑。

关键词：番茄黄化卷叶病毒种子传播性本氏烟

Plant and animal positive-sense single-stranded RnA viruses encode small proteins important for viral infection in their negative-sense strand

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Molecular Plant 2023年第11期16卷 1794-1810页

作者： Pan Gong Qingtang Shen Mingzhen Zhang Rui Qiao Jing Jiang Lili Su Siwen Zhao Shuai Fu Yu Ma Linhao Ge Yaqin Wang rosa lozano-durán Aiming Wang Fangfang Li Xueping Zhou State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijingChina School of Basic Medical Sciences Fujian Medical UniversityFuzhouChina State Key Laboratory of Rice Biology and Breeding Institute of BiotechnologyZhejiang UniversityHangzhouZhejiangChina University of the Chinese Academy of Sciences BeijingChina Department of Plant Biochemistry Center for Plant Molecular Biology(ZMBP)Eberhard Karls University72076 TübingenGermany London Research and Development Center Agriculture and Agri-Food CanadaLondonONCanada

Positive-sense single-stranded RnA(+ssRnA)viruses,the most abundant viruses of eukaryotes in nature,require the synthesis of negative-sense RnA(-RnA)using their genomic(positive-sense)RnA(+RnA)as a template for *** on current evidence,viral proteins are translated via viral+RnAs,whereas-RnA is considered to be a viral replication intermediate without coding ***,we report that plant and animal+ssRnA viruses contain small open reading frames(ORFs)in their-RnA(reverse ORFs[rORFs]).Using turnip mosaic virus(TuMV)as a model for plant+ssRnA viruses,we demonstrate that small proteins encoded by rORFs display specific subcellularlocalizations,and confirm the presence of rORF2 in infected cells through mass spectrometry *** protein encoded by TuMV rORF2 forms punctuate granules that are localized in the perinuclear region and co-localized with viral replication *** rORF2 protein can directly interact with the viral RnA-dependent RnA polymerase,and mutation of rORF2 completely abolishes virus infection,whereas ectopic expression of rORF2 rescues the mutant ***,we show that several rORFs in the-RnA of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)have the ability to suppress type l interferon production and facilitate the infection of ve-sicular stomatitis *** addition,we provide evidence that TuMV might utilize internal ribosome entry sites to translate these small *** together,these findings indicate that the-RnA of+ssRnA vi-ruses can also have the coding capacity and that small proteins encoded therein play critical roles in viral infection,revealing a viral proteome larger than previously thought.

关键词： positive-sense single-stranded RnA viruses small proteins negative-sense RnA turnip mosaic virus severe acute respiratory syndrome coronavirus 2

DET1-mediated COP1 regulation avoids HY5 activity over second-site gene targets to tune plant photomorphogenesis

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Molecular Plant 2021年第6期14卷 963-982页

作者： Esther Canibano Clara Bourbousse Marta Garcia-Leon Borja Garnelo Gomez Lea Wolff Camila Garcia-Baudino rosa lozano-duran Fredy Barneche Vicente Rubio Sandra Fonseca Centro nacional de Biotecnología CNB-CSICMadrid 28049Spain Institut de biologie de l’École normale supérieure(IBEnS) École normale supérieureCNRSINSERMUniversitéPSLParis 75005France Shanghai Center for Plant Stress Biology CAS Center for Excellence in Molecular Plant SciencesChinese Academy of SciencesShanghai 201602China Department of Plant Biochemistry Centre for Plant Molecular Biology(ZMBP)Eberhard Karls University72076 TübingenGermany

DE-ETIOLATED 1(DET1)and COnSTITUTIVE PHOTOMORPHOGEnESIS 1(COP1)are two essential repressors of Arabidopsis *** proteins can associate with CULLIn4 to form independent CRL4-based E3 ubiquitin ligases that mediate the degradation of several photomorphogenic transcription factors,including ELOnGATED HYPOCOTYL 5(HY5),thereby controlling multiple gene-regulatory *** extensive biochemical and genetic analyses of their multi-subunit complexes,the functional links between DET1 and COP1 have long remained ***,we report that DET1 associates with COP1 in vivo,enhances COP1-HY5 interaction,and promotes COP1 destabilization in a process that dampens HY5 protein *** regulating its accumulation,DET1 avoids HY5 association with hundreds of second-site genomic loci,which are also frequently targeted by the skotomorphogenic transcription factor PHYTOCHROME-InTERACTInG FACTOR ***,ectopic HY5 chromatin enrichment favors local gene repression and can trigger fusca-like *** study therefore shows that DET1-mediated regulation of COP1 stability tunes down the HY5 cistrome,avoiding hyper-photomorphogenic responses that might compromise plant viability.

关键词： HY5 DET1 COP1 photomorphogenesis light signaling fusca

Two viral proteins translated from one open reading frame target different layers of plant defense

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Plant Communications 2024年第4期5卷 177-193页

作者： Yuzhen Mei Tao Hu Yaqin Wang rosa lozano-duran Xiuling Yang Xueping Zhou State Key Laboratory of Rice Biology Institute of BiotechnologyZhejiang UniversityHangzhouZhejiang 310058China State Key Laboratory for Biology of Plant Diseases and Insect Pests Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijing 100193China Department of Plant Biochemistry Center for Plant Molecular Biology(ZMBP)Eberhard Karls University72076 TubingenGermany

Multilayered defense responses are activated upon pathogen *** utilize a number of strategies to maximize the coding capacity of their small genomes and produce viral proteins for infection,including suppression of host ***,we reveal translation leakage as one of these strategies:two viral effec-tors encoded by tomato golden mosaic virus,chloroplast-localized C4(cC4)and membrane-associated C4(mC4),are translated from two in-frame start codons and function cooperatively to suppress ***4 localizes in chloroplasts,to which it recruits nbPUB4 to induce ubiquitination of the outer membrane;as a result,this organelle is degraded,and chloroplast-mediated defenses are ***,chloroplast-localized cC4 induces the production of singlet oxygen(^(1)O_(2)),which in turn promotes translo-cation of the ^(1)O_(2) sensor nbMBS1 from the cytosol to the nucleus,where it activates expression of the CERK1 ***,an antiviral effect exerted by CERK1 is countered by mC4,localized at the plasma ***4,like cC4,recruits nbPUB4 and promotes the ubiquitination and subsequent degradation of CERK1,suppressing membrane-based,receptor-like kinase-dependent ***,this translation leakage strategy seems to be conserved in multiple viral species and is related to host *** suggests that stacking of different cellular antiviral responses could be an effective way to abrogate viral infection and engineer sustainable resistance to major crop viral diseases in thefield.

关键词： geminivirus C4 PUB4 CERK1 subcellular localization antiviral defense