Article
Microbiology
Xue Chen, Chuanxi Zhu, Yantao Na, Dandan Ren, Chenghua Zhang, Yifan He, Yiwen Wang, Sheng Xiang, Weiheng Ren, Yina Jiang, Ling Xu, Pinkuan Zhu
Summary: This study elucidates the subcellular distribution of melanin biosynthetic enzymes in Botrytis cinerea, revealing the differential effects of different enzymes in the melanin synthesis pathway on sclerotial germination. Excessive accumulation of the melanin intermediate scytalone was found to inhibit B. cinerea. The subcellular localization analysis suggests a two-stage partitioning of the melanogenesis pathway in the fungus, ensuring enzymatic efficiency and protection against self-poisoning. This research provides insights into secondary metabolite production mechanisms in filamentous fungi.
Article
Plant Sciences
Lijuan Chen, Jiahui Xiao, Yuxiao Song, You Li, Jun Liu, Huiren Cai, Hong-Bin Wang, Bing Liu
Summary: The phosphorylation/dephosphorylation cycle at tyrosine 428 of CHITIN ELICITOR RECEPTOR KINASE 1 (CERK1) is essential for chitin triggered immunity in Arabidopsis thaliana. ZYGTIC ARREST 1 (ZAR1) interacts with CERK1 specifically when the tyrosine 428 residue of CERK1 is dephosphorylated. ZAR1, originally known for its role in regulating zygotic division, also negatively contributes to defense against Botrytis cinerea and has a redundant role with its homolog ZAR2 in this process.
FRONTIERS IN PLANT SCIENCE
(2021)
Article
Plant Sciences
Ting Sun, Qi Zhou, Zhou Zhou, Yuxiao Song, You Li, Hong-Bin Wang, Bing Liu
Summary: SQUINT (SQN) regulates plant maturation and resistance by promoting the activity of miR156 and is involved in the jasmonate (JA) pathway. It positively modulates plant response to the necrotrophic fungus Botrytis cinerea through the JA pathway, and the miR156-SPL9 module plays a key role in mediating plant resistance to this pathogen.
PLANT AND CELL PHYSIOLOGY
(2022)
Article
Plant Sciences
Cheng Kai Lu, Gang Liang
Summary: Iron deficiency enhances plant resistance to pathogens by inducing ethylene synthesis. The FIT-bHLH Ib module is responsible for activating the expression of ethylene synthesis-associated genes SAM1 and SAM2, thereby increasing resistance to Botrytis cinerea.
Article
Plant Sciences
Lijuan Chen, Jiahui Xiao, You Li, Yuxiao Song, Jun Liu, Qi Zhou, Ting Sun, Hong-Bin Wang, Bing Liu
Summary: Plant diseases caused by fungal pathogens can be regulated through jasmonate response and chitin signaling, specifically by the Raf-like MAPKKKs STY8, STY17, and STY46, as discovered in this study. Interaction with MKK7, a MAPKK component, also plays a role in resistance to Botrytis cinerea and chitin signaling. The accumulation of MKK7 is negatively affected by the homologs of STY8, STY17, and STY46, which have opposite effects on defense against B. cinerea.
Article
Plant Sciences
Ying Zhu, Miao-Jie Guo, Jian-Bo Song, Shu-Yuan Zhang, Rui Guo, Dai-Ru Hou, Cheng-Ying Hao, Hong-Li An, Xuan Huang
Summary: Melatonin serves as an important bioactive molecule in plants and enhances plant resistance to Botrytis cinerea infection. Increased melatonin content activates resistance genes and defense pathways, leading to reduced disease symptoms and lesion size. Furthermore, melatonin plays a crucial role in regulating plant stress resistance at the genetic level.
FRONTIERS IN PLANT SCIENCE
(2021)
Article
Biochemistry & Molecular Biology
Juliana Santos Batista-Oliveira, Damien Formey, Martha Torres, Wendy Aragon, Yordan Jhovani Romero-Contreras, Israel Maruri-Lopez, Alexandre Tromas, Katia Regina Freitas Schwan-Estrada, Mario Serrano
Summary: Rare-earth element gadolinium serves as a biostimulant that induces plant defense responses against Botrytis cinerea, modifying both early and late defense responses. The defense induced by gadolinium is more effective compared to calcium-induced response, highlighting the potential of gadolinium as a biocontrol agent against fungal pathogens like B. cinerea.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2021)
Article
Biochemistry & Molecular Biology
Fan Zhou, Kang Zhang, Xu Zheng, Guanyu Wang, Hongzhe Cao, Jihong Xing, Jingao Dong
Summary: This study demonstrated the important role of BT4 gene in Arabidopsis resistance to B. cinerea. It regulates the expression of genes in the JA/ET signaling pathways to affect the resistance of Arabidopsis to B. cinerea.
PLANT SIGNALING & BEHAVIOR
(2022)
Article
Plant Sciences
Moira Giovannoni, Lucia Marti, Simone Ferrari, Natsuki Tanaka-Takada, Masayoshi Maeshima, Thomas Ott, Giulia De Lorenzo, Benedetta Mattei
Summary: This study demonstrates the essential role of the protein PCaP1 in mediating late responses to oligogalacturonides and flagellin. PCaP1 is not involved in early responses but may be important for maintaining its stability on the plasma membrane through endocytic turnover. The findings suggest a mechanism of PCaP1 endocytosis induced by oligogalacturonides.
PLANT CELL AND ENVIRONMENT
(2021)
Article
Plant Sciences
Moira Giovannoni, Lucia Marti, Simone Ferrari, Natsuki Tanaka-Takada, Masayoshi Maeshima, Thomas Ott, Giulia De Lorenzo, Benedetta Mattei
Summary: The study reveals the crucial role of PCaP1 in plant immune responses triggered by OGs and flagellin, mainly impacting late responses and affecting the responsiveness of plants to a second treatment with OGs. Localization studies on PCaP1 post-OG treatment indicate its presence on the plasma membrane with specific structures, as well as its association with endocytic vesicles.
PLANT CELL AND ENVIRONMENT
(2021)
Article
Plant Sciences
Maria Cristina Valeri, Giacomo Novi, Daan A. Weits, Anna Mensuali, Pierdomenico Perata, Elena Loreti
Summary: Infection by Botrytis cinerea induces local hypoxia in leaves, leading to stabilization of ERF-VII proteins. This hypoxic environment may impact the stability of other N-degron-regulated proteins and the metabolism of elicitors.
Article
Plant Sciences
M. Quaglia, E. Troni, R. D'Amato, L. Ederli
Summary: Zinc nutritional imbalance in higher plants can impact growth and stress responses, while the hormone salicylic acid plays a role in ion uptake and defense responses. Optimal zinc supply is crucial for enhancing plant resistance to pathogens.
Article
Biochemistry & Molecular Biology
Charlotte Steelheart, Matias L. Alegre, Pierre Baldet, Christophe Rothan, Cecile Bres, Daniel Just, Yoshihiro Okabe, Hiroshi Ezura, Inti M. Ganganelli, Gustavo E. Gergoff Grozeff, Carlos G. Bartoli
Summary: This study investigated the role of H2O2 in tomato ripening and found that H2O2 participates in this process through its association with the ethylene signaling pathway. The experiments showed that high irradiance treatment enhanced H2O2 production and accelerated fruit ripening. These results may be attributed to changes in the expression of H2O2-related genes and ethylene-related genes.
Article
Multidisciplinary Sciences
Hye-In Nam, Zaigham Shahzad, Yanniv Dorone, Sophie Clowez, Kangmei Zhao, Nadia Bouain, Katerina S. Lay-Pruitt, Huikyong Cho, Seung Y. Rhee, Hatem Rouached
Summary: Iron deficiency-induced chlorosis in plants depends on phosphorus availability and is regulated by a ROS-mediated retrograde signaling pathway involving the PHT4;4 chloroplast ascorbate transporter and the bZIP58 nuclear transcription factor. These genes prevent downregulation of photosynthesis genes under iron-phosphorus deficiency, leading to a stay-green phenotype. Chloroplastic ascorbate transport modulates ROS homeostasis to adapt photosynthesis to nutrient availability.
NATURE COMMUNICATIONS
(2021)
Article
Plant Sciences
Jose Manuel Ugalde, Philippe Fuchs, Thomas Nietzel, Edoardo A. Cutolo, Maria Homagk, Ute C. Vothknecht, Loreto Holuigue, Markus Schwarzlaender, Stefanie J. Mueller-Schuessele, Andreas J. Meyer
Summary: Metabolic fluctuations in chloroplasts and mitochondria can trigger retrograde signals which modify nuclear gene expression through the involvement of reactive oxygen species (ROS). The use of biosensors revealed the role of redox buffers in plant stress response mechanisms.
Article
Multidisciplinary Sciences
Bernd Zechmann
Article
Plant Sciences
Laurent Marty, Daniela Bausewein, Christopher Mueller, Sajid Ali Khan Bangash, Anna Moseler, Markus Schwarzlaender, Stefanie J. Mueller-Schuessele, Bernd Zechmann, Christophe Riondet, Janneke Balk, Markus Wirtz, Ruediger Hell, Jean-Philippe Reichheld, Andreas J. Meyer
Article
Microscopy
Marina R. Mulenos, Bernd Zechmann, Christie M. Sayes
Article
Biochemistry & Molecular Biology
Snezana Vojvodic, Marina Stanic, Bernd Zechmann, Tanja Ducic, Milan Zizic, Milena Dimitrijevic, Jelena Danilovic Lukovic, Milica R. Milenkovic, Jon K. Pittman, Ivan Spasojevic
BIOCHEMICAL JOURNAL
(2020)
Article
Multidisciplinary Sciences
William J. Matthaeus, Jonathan Schmidt, Joseph D. White, Bernd Zechmann
Review
Plant Sciences
Bernd Zechmann
Article
Environmental Sciences
Snezana Vojvodic, Jelena Danilovic Lukovic, Bernd Zechmann, Mima Jevtovic, Jelena Bogdanovic Pristov, Marina Stanic, Alessandro Marco Lizzul, Jon K. Pittman, Ivan Spasojevic
Article
Plant Sciences
Bernd Zechmann, Maria Mueller, Stefan Moestl, Gunther Zellnig
Summary: TMV and ZYMV infections in tobacco and pumpkin plants respectively lead to significant ultrastructural changes, including accumulation of virus inclusion bodies, alterations in mitochondria, peroxisomes, and chloroplasts, as well as changes in starch and plastoglobules volumes in chloroplasts. The comprehensive data collected in this study provide insights into the 3D changes induced by these viruses in plants.
Article
Microbiology
Emily M. Schultz, TyAnthony J. Jones, Sibei Xu, Dana D. Dean, Bernd Zechmann, Kelli L. Barr
Summary: This study revealed that after Chikungunya virus infection, cerebral organoids from Parkinson's patients exhibited a different response compared to those from non-Parkinson's patients. Neurotransmission data showed dysregulation of IL-1, IL-10, and IL-6, potentially contributing to persistent depression in patients post-infection. Both types of organoids showed increased expression of CXCL10, which is linked to demyelination.
Article
Plant Sciences
Joseph N. Milligan, Andrew G. Flynn, Jennifer D. Wagner, Lenny L. R. Kouwenberg, Richard S. Barclay, Bruce W. Byars, Regan E. Dunn, Joseph D. White, Bernd Zechmann, Daniel J. Peppe
Summary: Reconstructing the light environment and architecture of plant canopy from the fossil record requires proxies such as cell wall undulation, cell size, and carbon isotopes. By quantifying the response of these traits, researchers can reconstruct the paleo-light environment more accurately. The study found that cell wall undulation is a robust measurement for reconstructing DLI in the geological record, and high DLI values from fossil leaves may provide information on canopy architecture.
AMERICAN JOURNAL OF BOTANY
(2021)
Article
Plant Sciences
Amey Redkar, Selena Gimenez Ibanez, Mugdha Sabale, Bernd Zechmann, Roberto Solano, Antonio Di Pietro
Summary: Research on how root-infecting vascular fungi infect nonvascular plants has revealed that while these fungi employ conservative infection strategies on both nonvascular and vascular plant lineages, they also have specific mechanisms to access the vascular niche of angiosperms.
Article
Plant Sciences
Bernd Zechmann, Stefan Moestl, Guenther Zellnig
Summary: Focused ion beam scanning electron microscopy (FIB-SEM) and serial sectioning transmission electron microscopy (ssTEM) are powerful tools for the 3D reconstruction and volumetric extraction of plant cells, and there are differences between the two methods.
Article
Biochemistry & Molecular Biology
Amey Redkar, Mugdha Sabale, Christian Schudoma, Bernd Zechmann, Yogesh K. Gupta, Manuel S. Lopez-Berges, Giovanni Venturini, Selena Gimenez-Ibanez, David Turra, Roberto Solano, Antonio Di Pietro
Summary: The interaction between fungi and plant roots has a significant impact on agriculture and ecosystems. Fusarium oxysporum, a cosmopolitan plant pathogen, can cause wilting disease in a wide range of crops and can also colonize the roots of other plants as endophytes. This study identified a set of candidate effectors in tomato roots and found that they play a conserved role in various fungi and plants.
Article
Public, Environmental & Occupational Health
Debra Harris, Keyanna P. Taylor, Katie Napierkowski, Bernd Zechmann
Summary: This study evaluated the material composition, MRSA viability, and disinfection efficacy of environmental surface materials used in healthcare settings. The results showed that both bleach and a novel disinfectant were effective at disinfecting MRSA from all surface types. The wear, properties, and cleaning and disinfection efficacy of environmental surface materials are important factors to consider when addressing HAIs.
HERD-HEALTH ENVIRONMENTS RESEARCH & DESIGN JOURNAL
(2021)
Article
Plant Sciences
Dimitris L. Bouranis, Dionisios Gasparatos, Bernd Zechmann, Lampros D. Bouranis, Styliani N. Chorianopoulou