Article
Multidisciplinary Sciences
Barbara Emmenegger, Julien Massoni, Christine M. Pestalozzi, Miriam Bortfeld-Miller, Benjamin A. Maier, Julia A. Vorholt
Summary: The authors investigate microbiota properties for plant protection using synthetic communities and machine learning approaches. They identify strains that reduce pathogen colonization despite variation in microbiota composition.
NATURE COMMUNICATIONS
(2023)
Article
Biotechnology & Applied Microbiology
Melanie R. Smee, Imperio Real-Ramirez, Catalina Zuluaga Arias, Tory A. Hendry
Summary: In this study, it was found that most aphid species are susceptible to infection and death when exposed to P. syringae, indicating that these bacteria are broadly useful for biological control. However, one aphid species was much more resistant to infection, suggesting that more testing on diverse aphid species is needed.
APPLIED AND ENVIRONMENTAL MICROBIOLOGY
(2021)
Article
Biotechnology & Applied Microbiology
Tobias B. Loeser, Mark C. Mescher, Consuelo M. De Moraes, Monika Maurhofer
Summary: Research has shown that some strains of Pseudomonas rhizobacteria can enhance plant resistance to pathogens, but may have negative effects on plant resistance to herbivores, primarily due to effects on plant defense chemistry. This suggests that different strains of Pseudomonas may have complex effects on resistance to different classes of plant antagonists.
APPLIED AND ENVIRONMENTAL MICROBIOLOGY
(2021)
Article
Microbiology
Tomohiro Morohoshi, Akinori Oshima, Xiaonan Xie, Nobutaka Someya
Summary: Our study demonstrates that the PsyI/PsyR quorum-sensing systems in Pseudomonas syringae strains are genetically and functionally diverse, with diversity being linked to phylogenetic and pathovar classifications.
FEMS MICROBIOLOGY ECOLOGY
(2021)
Article
Computer Science, Artificial Intelligence
Vitoria de Carvalho Brito, Patrick Ryan Sales dos Santos, Nonato Rodrigues de Sales Carvalho, Antonio Oseas de Carvalho Filho
Summary: COVID-19 is a global concern caused by a new strain of coronavirus, with efforts focused on detecting the disease for proper diagnosis. A proposed method using texture descriptors based on phylogenetic relationships has shown high accuracy in classifying regions as COVID-19, lesions, or healthy tissue.
PATTERN RECOGNITION
(2021)
Article
Chemistry, Physical
Max Lukas, Ralph Schwidetzky, Rosemary J. Eufemio, Mischa Bonn, Konrad Meister
Summary: The exceptional ice nucleation activity of bacterial ice nucleators is highlighted in this perspective, emphasizing the importance of functional aggregation of ice-nucleating proteins (INPs) anchored to the outer bacterial cell membrane. It is crucial to consider the role of the bacterial cell membrane and environmental conditions in facilitating precise functional aggregation of INPs, and interdisciplinary approaches combining various tools are needed to study changes at the protein level.
JOURNAL OF PHYSICAL CHEMISTRY B
(2022)
Article
Biochemistry & Molecular Biology
Yu Zhou, Shengxiong Huang, Wei Tang, Zhongqiu Wu, Siqi Sun, Yaqiong Qiu, Hongtao Wang, Xue Chen, Xiaofeng Tang, Fangming Xiao, Yongsheng Liu, Xiangli Niu
Summary: In this study, ten strains of Kiwifruit bacterial canker were isolated and sequenced, revealing divergences in pathogenicity and pathogenic-related genes among the strains. Pseudomonas syringae pv. actinidiae infection re-programmed the expression of host genes, with down-regulation of genes involved in plant-pathogen interactions, especially calcium signaling transduction and fatty acid elongation. These findings provide insights into understanding the molecular mechanism of Psa-kiwifruit interactions and improving resistance in the kiwifruit crop.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Multidisciplinary Sciences
Regina Hanlon, Celia Jimenez-Sanchez, James Benson, Ken Aho, Cindy Morris, Teresa M. Seifried, Philipp Baloh, Hinrich Grothe, David Schmale
Summary: The study found various haplotypes of Pseudomonas syringae in freshwater lakes in Austria, and some strains expressed ice nucleation protein. Additionally, robotic technologies show potential in sampling and characterizing microbial life in remote settings.
Article
Biochemistry & Molecular Biology
Valeria Di Paolo, Fiorella Masotti, Cecilia V. Vranych, Carolina Grandellis, Betiana S. Garavaglia, Natalia Gottig, Jorgelina Ottado
Summary: Plant natriuretic peptides (PNPs) play an important role in regulating ions and water homeostasis in plants, and the causal agent of citrus canker disease, Xanthomonas citri subsp. citri (Xcc), possesses a similar peptide called XacPNP. Both AtPNP-A and XacPNP require the presence of the receptor AtPNP-R1 to induce stomatal aperture and maintain photosynthetic efficiency and water homeostasis in plant tissues during infection. The interaction between XacPNP and AtPNP-R1 triggers similar plant responses as its plant counterpart.
Article
Multidisciplinary Sciences
Wasin Poncheewin, Anne D. van Diepeningen, Theo A. J. van der Lee, Maria Suarez-Diez, Peter J. Schaap
Summary: This study used genome properties and machine learning to establish the relationship between Pseudomonas strains isolated from the rhizosphere and phyllosphere and their plant-associated lifestyle. It identified 28 discriminating features and demonstrated the potential of genome properties annotation as a computational tool for classifying plant-associated lifestyles.
SCIENTIFIC REPORTS
(2022)
Article
Microbiology
Mariana Petkova, Velitchka Gotcheva, Milena Dimova, Elena Bartkiene, Joao Miguel Rocha, Angel Angelov
Summary: Lactiplantibacillus plantarum has antimicrobial properties against Ps. syringae and B. cinerea, making it a potential biocontrol agent for table grape production.
Article
Virology
Parinaz Khalkhali, Armin Khavandegar, Sayed-Hamidreza Mozhgani, Ali Teimoori, Abdolvahhab Moradi, Mehdi Ajorloo, Nazanin Lorestani, Kimia Kaveh, Soroush Akbar, Hadi Razavi Nikoo
Summary: This study aimed to investigate the genetic diversity and variation analysis of viroporin encoded by rotavirus NSP4 segment. The predominant G/P combination was G1P[8], and variations were found in three regions of NSP4. Phylogenic tree analysis showed that the samples clustered with genotype E1 and E2 reference sequences.
JOURNAL OF MEDICAL VIROLOGY
(2021)
Article
Microbiology
Tamara Rankovic, Ivan Nikolic, Tanja Beric, Tatjana Popovic, Jelena Lozo, Olja Medic, Slavisa Stankovic
Summary: This study analyzed the draft genome sequences of two pathogenic strains of Pseudomonas syringae pv. aptata to evaluate their survival strategies and pathogenic potential. The results showed differences in genome size, GC content, and protein-coding sequences between the two strains. Furthermore, differences in effector sequences were found to be related to the type III secretion system. This study provides important information on the genomic features, epidemiology, and pathogenic strategies of P. syringae pv. aptata.
MICROBIOLOGY SPECTRUM
(2023)
Article
Plant Sciences
Yangang Pei, Li Ma, Xiaojuan Zheng, Kaikai Yao, Xiangru Fu, Huabao Chen, Xiaoli Chang, Ming Zhang, Guoshu Gong
Summary: This study investigated the genetic characteristics of Pseudomonas syringae pv. actinidiae population from kiwifruit in Sichuan, China. The isolates were characterized using morphological features, multiplex-PCR, and multilocus sequence analysis (MLSA). The study revealed rich genetic diversity in P. syringae pv. actinidiae isolates from Sichuan.
Article
Microbiology
Sonal Shewaramani, Rees Kassen
Summary: Pseudomonas aeruginosa plays a significant role in causing chronic respiratory infections in CF patients. The availability of oxygen affects the adaptation of this bacterium to the CF lung, but the niche of origin is a stronger predictor of trait expression.
FRONTIERS IN MICROBIOLOGY
(2022)
Review
Biochemistry & Molecular Biology
Caroline L. Monteil, Christopher T. Lefevre
TRENDS IN MICROBIOLOGY
(2020)
Review
Microbiology
Matthieu Amor, Francois P. Mathon, Caroline L. Monteil, Vincent Busigny, Christopher T. Lefevre
ENVIRONMENTAL MICROBIOLOGY
(2020)
Article
Ecology
Caroline L. Monteil, Denis S. Grouzdev, Guy Perriere, Beatrice Alonso, Zoe Rouy, Stephane Cruveiller, Nicolas Ginet, David Pignol, Christopher T. Lefevre
Article
Multidisciplinary Sciences
Noa Keren-Khadmy, Natalie Zeytuni, Nitzan Kutnowski, Guy Perriere, Caroline Monteil, Raz Zarivach
Editorial Material
Biochemistry & Molecular Biology
Dirk Schueler, Caroline L. Monteil, Christopher T. Lefevre
TRENDS IN MICROBIOLOGY
(2020)
Article
Ecology
Caroline L. Monteil, Karim Benzerara, Nicolas Menguy, Cecile C. Bidaud, Emmanuel Michot-Achdjian, Romain Bolzoni, Francois P. Mathon, Margot Coutaud, Beatrice Alonso, Camille Garau, Didier Jezequel, Eric Viollier, Nicolas Ginet, Magali Floriani, Sufal Swaraj, Martin Sachse, Vincent Busigny, Elodie Duprat, Francois Guyot, Christopher T. Lefevre
Summary: Bacteria can synthesize a variety of non-biological precipitates with different chemical compositions and structures within cells, including magnetic particles and calcium carbonate granules. Research has shown that the amorphous calcium carbonate granules formed by these bacteria are contained within membrane-delimited vesicles. Analysis of a new genus of Alphaproteobacteria revealed atypical structure of the magnetosome gene cluster, and the bacteria consume energy to maintain an environment suitable for calcium carbonate granule formation.
Article
Biochemistry & Molecular Biology
Nir Hecht, Caroline L. Monteil, Guy Perriere, Marina Vishkautzan, Eyal Gur
Summary: This study investigates the differences in functionality between two homologous bacterial enzymes, PafA and Dop, by analyzing their amino acid sequences and structural elements. Through reciprocal mutagenesis, researchers were able to alter the activity of the enzymes and identify key residues and structural components responsible for their unique functions. The study demonstrates the evolutionary pathways that led to the emergence of novel catalytic functions in these enzymes.
MOLECULAR BIOLOGY AND EVOLUTION
(2021)
Article
Biology
Karim Benzerara, Romain Bolzoni, Caroline Monteil, Olivier Beyssac, Olivier Forni, Beatrice Alonso, Maria P. Asta, Christopher Lefevre
Summary: The study on Achromatium cells revealed that the intracellular CaCO3 granules are predominantly composed of amorphous calcium carbonate (ACC), similar to other cyanobacteria and a recently discovered magnetotactic alphaproteobacterium. The physiological and ecological implications of this finding are worth further investigation. Future studies on the crystallinity of CaCO3 granules in Achromatium cells from diverse environments worldwide should be cautious of potential pitfalls identified in this study.
Article
Microbiology
Vincent Busigny, Francois P. Mathon, Didier Jezequel, Cecile C. Bidaud, Eric Viollier, Gerard Bardoux, Jean-Jacques Bourrand, Karim Benzerara, Elodie Duprat, Nicolas Menguy, Caroline L. Monteil, Christopher T. Lefevre
Summary: Studying magnetotactic bacteria in Lake Pavin, utilizing various sampling methods, understanding their ecological niche, and efficiently collecting large volumes of water samples using an online pumping system. This research provides a foundation for further multidisciplinary investigations of magnetotactic bacteria populations in Lake Pavin and elsewhere, as well as chemical and isotopic analyses of their magnetosomes.
ENVIRONMENTAL MICROBIOLOGY
(2022)
Article
Biotechnology & Applied Microbiology
Deepa Paliwal, Amanda J. Hamilton, Glyn A. Barrett, Fabrizio Alberti, Helmut van Emden, Caroline L. Monteil, Tim H. Mauchline, Ralf Nauen, Carol Wagstaff, Chris Bass, Robert W. Jackson
Summary: Environmental bacteria have been found to have the ability to kill aphids, offering an alternative and sustainable control measure. Pseudomonas fluorescens PpR24 showed the highest toxicity against various aphid clones and could survive on plants for over three weeks, resulting in a significant reduction in aphid populations.
MICROBIAL BIOTECHNOLOGY
(2022)
Article
Ecology
Kevin C. Failor, Haijie Liu, Marco E. Mechan Llontop, Sophie LeBlanc, Noam Eckshtain-Levi, Parul Sharma, Austin Reed, Shu Yang, Long Tian, Christopher Lefevre, Nicolas Menguy, Liangcheng Du, Caroline L. Monteil, Boris A. Vinatzer
Summary: Earth's radiation budget and precipitation are impacted by aerosols containing ice nucleation activity (INA), involving bacteria, fungi, and pollen. This study identified Lysinibacillus parviboronicapiens (Lp) as the first Gram-positive bacterium with INA, which is associated with a unique macromolecule or particle. A combination of genomics, transcriptomics, and mutant screening revealed that INA in Lp relies on a polyketide synthase and a peptide synthetase. These findings advance our understanding of biological ice nucleation and may serve as a model for other organisms with unknown INA mechanisms.
Article
Microbiology
Claudia Bartoli, Stephane Boivin, Marta Marchetti, Carine Gris, Virginie Gasciolli, Megane Gaston, Marie-Christine Auriac, Frederic Debelle, Ludovic Cottret, Aurelien Carlier, Catherine Masson-Boivin, Marc Lepetit, Benoit Lefebvre
Summary: This study discovered Rhizobium leguminosarum symbiovar viciae (Rlv) strains that can endophytically colonize wheat roots. Some of these strains were found to efficiently colonize roots when co-inoculated with other strains, while all the strains tested in single strain inoculation conditions colonized the surface and interior of roots. Additionally, Rlv strains isolated from wheat roots were able to stimulate root development and early arbuscular mycorrhizal fungi colonization, with these responses being strain and host genotype dependent.
ENVIRONMENTAL MICROBIOLOGY
(2022)
Article
Microbiology
Denis Trubitsyn, Caroline L. Monteil, Corey Geurink, Viviana Morillo-Lopez, Luiz Gonzaga Paula de Almeida, Ana Tereza Ribeiro de Vasconcelos, Fernanda Abreu, Dennis A. Bazylinski, Christopher T. Lefevre
Summary: The 3.7-Mb genome sequence of strain SS-5 provides further diversity for understanding the origin and evolution of magnetotaxis and magnetosome biomineralization.
MICROBIOLOGY RESOURCE ANNOUNCEMENTS
(2021)
Article
Microbiology
Corey Geurink, Christopher T. Lefevre, Caroline L. Monteil, Viviana Morillo-Lopez, Fernanda Abreu, Dennis A. Bazylinski, Denis Trubitsyn
MICROBIOLOGY RESOURCE ANNOUNCEMENTS
(2020)
Meeting Abstract
Biochemistry & Molecular Biology
C. Bartoli, L. Frachon, F. Roux
MOLECULAR PLANT-MICROBE INTERACTIONS
(2019)