Article
Microbiology
Onuma Kaewkla, Chanwit Suriyachadkun, Christopher Milton Mathew Franco
Summary: Strain CAP181(T), a new endophytic actinobacterium, was isolated from a native pine tree in South Australia. It belongs to the genus Micromonospora and shows potential for nitrogen fixation and bioremediation.
ARCHIVES OF MICROBIOLOGY
(2021)
Article
Microbiology
Rawirat Pansomsuay, Thitikorn Duangupama, Pattama Pittayakhajonwut, Chakapong Intaraudom, Chanwit Suriyachadkun, Ya-Wen He, Somboon Tanasupawat, Chitti Thawai
Summary: A new species of actinomycete, Micromonospora thermarum, was isolated from hot spring sediment in Ranong province, Thailand. The strain showed taxonomic characteristics consistent with members of the genus Micromonospora. The strain produced a single spore directly on the substrate mycelium and had unique physiological and biochemical characteristics compared to closely related strains.
ARCHIVES OF MICROBIOLOGY
(2023)
Article
Microbiology
Thitikorn Duangupama, Rawirat Pansomsuay, Pattama Pittayakhajonwut, Chakapong Intaraudom, Chanwit Suriyachadkun, Ya-Wen He, Somboon Tanasupawat, Chitti Thawai
Summary: An actinobacterium strain, PPF5-17T, was isolated from hot spring soil in Thailand. It exhibited morphological and chemotaxonomic properties similar to Micromonospora genus. Based on genomic and phenotypic characterization, it was identified as a novel species named Micromonospora solifontis sp. nov.
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
(2023)
Article
Microbiology
Xiujun Sun, Shiwen Qiu, Xianxian Luo, Pinjiao Jin, Junwei Zhao, Xianyao Wu, Jize Yang, Xiangjing Wang, Jia Song, Wensheng Xiang
Summary: Strain NEAU-HG-1(T) is a novel actinobacterium belonging to the genus Micromonospora, proposed to be named Micromonospora rubida sp. nov. It exhibits specific morphological, chemotaxonomic characteristics, and DNA sequences, distinguishing it as a unique microbial species.
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
(2021)
Article
Microbiology
Onuma Kaewkla, Chanwit Suriyachadkun, Christopher Milton Mathew Franco
Summary: A new endophytic actinobacterium strain PIP175(T) was isolated from the root sample of a native apricot tree in Australia. It belongs to the genus Streptomyces and shows high similarity to Streptomyces aculeolatus DSM 41644(T). Strain PIP175(T) exhibits potential for antibiotic production and plant growth promotion.
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
(2023)
Article
Microbiology
Ming-Sheng Chen, Feng Chen, Xiao-Hui Chen, Zhou-Qing Zheng, Xiao Ma, Li Tuo
Summary: A novel species of endophytic actinobacterium called Nocardioides mangrovi sp. nov. was isolated from the surface-sterilized root of Kandelia candel collected from Beilun Estuary, Guangxi Zhuang Autonomous Region, PR China. The study provides a detailed characterization of the strain and proposes it as a new species based on phenotypic, genotypic, and phylogenetic analyses.
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
(2022)
Article
Microbiology
Rawirat Pansomsuay, Thitikorn Duangupama, Pattama Pittayakhajonwut, Chakapong Intaraudom, Chanwit Suriyachadkun, Ya-Wen He, Somboon Tanasupawat, Chitti Thawai
Summary: An endophytic actinobacterium, strain PLAI 1-29T, was isolated from Zingiber montanum root tissue collected in Pathum Thani province, Thailand. The strain exhibited characteristics of the genus Streptomyces, including a spiral spore chain and growth at a wide range of temperature and pH. Genome-based taxonomic analysis revealed that strain PLAI 1-29T represents a new species, named Streptomyces zingiberis sp. nov.
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
(2023)
Article
Microbiology
Onuma Kaewkla, Christopher Milton Mathew Franco
Summary: CAP215(T) is an endophytic actinobacterium isolated from the root sample of a native pine tree in South Australia, with various fatty acids and lipid components in its composition, and its genome containing genes related to plant growth promotion and degradation of environmental compounds.
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
(2021)
Review
Plant Sciences
Nazareno Scaccia, Ivone Vaz-Moreira, Celia M. Manaia
Summary: Antibiotic resistance poses a global threat to human health, distributed across humans, animals, plants, and the environment. Edible plants can be colonized by a variety of bacteria, potentially serving as a pathway for the transmission of antibiotic resistance to humans.
TRENDS IN PLANT SCIENCE
(2021)
Article
Biochemistry & Molecular Biology
Yuanyuan Liu, Meijie Xu, Yuqi Tang, Yilan Shao, Hong Wang, Huawei Zhang
Summary: Endophytic strain Fusarium sp. R1 isolated from Rumex madaio Makino was extensively investigated for its biosynthetic gene clusters and potential bioactive secondary metabolites. The study revealed the presence of 37 biosynthetic gene clusters, including NRPSs, PKSs, Ts, and hybrid NRPS + PKS and indole + NRPS. These findings contribute to our understanding of the molecular biology of the genus Fusarium and facilitate the discovery of new bioactive secondary metabolites.
Article
Agronomy
Mu Peng, Zhihui Jiang, Zhiwen Xiang, Aifen Zhou, Chao Wang, Zhiyong Wang, Fangzhen Zhou
Summary: This study characterized the bacterial communities associated with S. salsa and revealed the mechanisms underlying the plant growth promotion of E. cancerogenus JY65.
Review
Microbiology
David S. Milner, Luis Javier Galindo, Nicholas A. T. Irwin, Thomas A. Richards
Summary: This article discusses two related topics in evolutionary microbiology: the variation of gene repertoire within species groups and the role of metabolite transporters as accessory proteins. It emphasizes the importance of improved sampling and understanding of eukaryotic microbial pangenome variation and outlines the key factors in gene duplication and transporter gene family evolution. The article also highlights the significance of functional characterization of transporter-encoding genes and analysis of their gain and loss from accessory genomes in revealing information about the ecology and virulence evolution of microbes. It advocates for the systematic study of eukaryotic pangenomes through genome sequencing and functional analysis of genes within the accessory gene repertoire.
ANNUAL REVIEW OF MICROBIOLOGY
(2023)
Article
Microbiology
Xiaoteng Fu, Linfeng Gong, Yang Liu, Qiliang Lai, Guangyu Li, Zongze Shao
Summary: The study identified distinct genomic features among Bacillus pumilus group strains while sharing a common core. Marine and terrestrial isolates did not evolve independently; transitions between marine and non-marine habitats might have occurred multiple times. Intra-species niche specific genes may be linked to a strain's adaptation to respective marine or terrestrial environments.
FRONTIERS IN MICROBIOLOGY
(2021)
Article
Microbiology
Onuma Kaewkla, Christopher Milton Mathew Franco
Summary: A new endophytic actinobacterium strain, named PIP199(T), was isolated and identified as a new member of the genus Amycolatopsis. The strain showed differences in morphology, physiological characteristics, and genetic markers compared to closely related species, leading to the proposal of a new species classification.
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
(2021)
Article
Microbiology
Kristina Ulrich, Michael Kube, Regina Becker, Volker Schneck, Andreas Ulrich
Summary: Plant-associated Stenotrophomonas isolates, such as Stenotrophomonas sp. 169, have the potential to promote plant growth by producing growth-stimulating hormones and enhancing plant tolerance to stress conditions. The genome of strain 169 contains functional genes associated with plant colonization, growth promotion, and stress protection.
FRONTIERS IN MICROBIOLOGY
(2021)
Article
Biology
Sihem Guesmi, Afef Najjari, Petar Pujic, Kais Ghedira, Rania Ouertani, Marwa Jabberi, Ameur Cherif, Philippe Normand, Haitham Sghaier
Summary: The bacterial communities associated with the roots of Panicum turgidum under arid conditions were studied using cultural and metataxonomic approaches. The results showed that the radiation-resistant bacteria belonged to Actinobacteria and Proteobacteria, and the structure and function of the bacterial communities were affected by gamma irradiation.
SAUDI JOURNAL OF BIOLOGICAL SCIENCES
(2022)
Article
Microbiology
Fernanda P. Claverias, Nestor Serna-Cardona, Andres Cumsille, Leonardo Zamora-Leiva, Raul Riesco, Eduardo Couve, Martha E. Trujillo, Beatriz Camara
Summary: An alkaliphilic actinobacterium, VN6-2(T), was isolated from marine sediment in Valparaiso Bay, Chile. Through genomic sequencing and chemotaxonomic assessment, it was determined to be a novel genus and species within the Nocardiopsaceae family. The strain showed distinct differences from other actinobacteria in its phylogenetic position and chemical composition.
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
(2022)
Article
Plant Sciences
Raul Riesco, Maite Ortuzar, Jose Manuel Fernandez-Abalos, Martha E. Trujillo
Summary: This study aimed to investigate the genomic features of plant-microbe interactions, revealing differences in Micromonospora strains from different environments and varied results of Arabidopsis thaliana inoculation with representative strains.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Microbiology
Petar Pujic, Nicole Alloisio, Guylaine Miotello, Jean Armengaud, Danis Abrouk, Pascale Fournier, Philippe Normand
Summary: Omics is a promising approach to study microbes with no genetic tools, and a proteogenomic analysis was conducted on the nitrogen-fixing symbiotic Frankia. The study found that specific proteins, such as nitrogenase and superoxide dismutase, were overabundant in Alnus glutinosa nodules, indicating their crucial roles in the symbiosis.
Article
Microbiology
Gabriela Vuletin Selak, Marina Raboteg Bozikovic, Danis Abrouk, Marija Bolcic, Katja Zanic, Slavko Perica, Philippe Normand, Petar Pujic
Summary: Two bacteria were isolated from olive knots, showing high susceptibility to autochthonous olive genotypes and conserved core genomes.
Article
Forestry
Ken-Ichi Kucho, Masahito Hashimoto, Philippe Normand, Pascale Fournier, Petar Pujic
Summary: This study investigates the impact of variants of Frankia spp. on the symbiotic interactions with actinorhizal plants. Results from inoculation experiments on host plants suggest that surface polysaccharides of Frankia play important roles in colony appearance, nitrogen fixation activity, and vesicle development inside infected plant cells.
JOURNAL OF FOREST RESEARCH
(2023)
Article
Biochemical Research Methods
Patricia Benito, Daniele Ligorio, Javier Bellon, Lynne Yenush, Jose M. Mulet
Summary: This study evaluates the potential of different biostimulants using two different model organisms and explores the additive, synergistic or antagonistic effects of different combinations of biostimulants to design new formulations with enhanced effects on plant growth or tolerance to abiotic stress. The method enables a fast screening of various products in a combinatorial manner to develop novel formulations of natural extracts with biostimulant potential.
Article
Microbiology
Philippe Normand, Petar Pujic, Danis Abrouk, Spandana Vemulapally, Trina Guerra, Camila Carlos-Shanley, Dittmar Hahn
Summary: The genome of Frankia sp. strain R82 is considered representative of a novel candidate species within Frankia cluster 1, showing the closest relation to Frankia nodulisporulans AgTrs and strains Ag45/Mut15 and AgPM24 with 86% average nucleotide identity.
MICROBIOLOGY RESOURCE ANNOUNCEMENTS
(2022)
Article
Plant Sciences
Patricia Benito, Daniele Ligorio, Javier Bellon, Lynne Yenush, Jose M. Mulet
Summary: Climate change is leading to increased drought and salinity, which threatens food production. Biostimulants, such as yucca extracts, have been found to promote plant growth under different abiotic stress conditions. These extracts have shown particular effectiveness in enhancing germination and early vigor, as well as acting as a natural fungicide. Overall, yucca extracts offer a new and useful tool for farmers to combat the effects of climate change on crop production.
Article
Biochemistry & Molecular Biology
Petar Pujic, Lorena Carro, Pascale Fournier, Jean Armengaud, Guylaine Miotello, Nathalie Dumont, Caroline Bourgeois, Xavier Saupin, Patrick Jame, Gabriela Vuletin Selak, Nicole Alloisio, Philippe Normand
Summary: A phyloprofile analysis of Frankia genomes identified genes present in symbiotic strains and absent in non-infective strains. The role of the carbonic anhydrase gene (can) was analyzed, revealing its function in maintaining pH balance and NH4+ concentration. Genes related to can have undergone decay in non-symbiotic lineages.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Microbiology
Philippe Normand, Imen Nouioui, Meina Neumann-Schaal, Aude Herrera-Belaroussi, Danis Abrouk, Spandana Vemulapally, Trina Guerra, Dittmar Hahn
Summary: A new Frankia strain, named Frankia umida sp. nov., was isolated, which has the ability to produce hyphae and N-2-fixing vesicles on the root nodules of Alnus glutinosa.
INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY
(2023)
Review
Biotechnology & Applied Microbiology
Erhard Bremer, Alexandra Calteau, Antoine Danchin, Colin Harwood, John D. Helmann, Claudine Medigue, Bernhard O. Palsson, Agnieszka Sekowska, David Vallenet, Abril Zuniga, Cristal Zuniga
Summary: The majority of genomic sequences are automatically annotated, but depend on manual annotation efforts using verified experimental data. This article summarizes the updated functional annotation of Bacillus subtilis strain 168, highlighting new metabolic insights, the role of metals in metabolism and biosynthesis, functions related to biofilm formation, features controlling cell growth, and protein agents allowing class discrimination. The updated sequence, including new genomic objects and literature review, is available at the International Nucleotide Sequence Database Collaboration (INSDC: AccNum AL009126.4).
MICROBIAL BIOTECHNOLOGY
(2023)
Article
Microbiology
Hyungwoo Jo, Chaeyun Baek, Young Mok Heo, Hye-Been Kim, Haeun Lee, Seunghyun Kang, Seyoung Mun, Yunseok Oh, Doyeong Ko, Kyudong Han, Raul Riesco, Martha E. Trujillo, Dong-Geol Lee
Summary: A novel non-motile actinobacterial strain, Kera-3(T), was isolated from human keratinocytes. It is a gram-positive, aerobic, rod-shaped bacterium. Based on physiological, biochemical, and genomic characteristics, Kera-3T represents a new genus and species.
ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
(2023)
Article
Biochemistry & Molecular Biology
Patricia Benito, Javier Bellon, Rosa Porcel, Lynne Yenush, Jose M. Mulet
Summary: Potassium humate is a widely used biostimulant that enhances growth and improves stress tolerance in plants. This study investigated the mechanism of action of potassium humate using Arabidopsis thaliana. The results showed that potassium humate increased the fresh weight accumulation of Arabidopsis plants under normal, salt, and osmotic stress conditions. Plants treated with potassium humate exhibited a reduced antioxidant response and lower proline accumulation, while maintaining photosynthetic activity under stress. Metabolomic analysis revealed changes in starch and sugar levels, indicating alterations in starch utilization and an increase in glycolysis. Overall, the study suggests that the molecular mechanism underlying the stress tolerance induced by potassium humate involves its ability to alter starch content.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Plant Sciences
Patricia Benito, Lorena Carro, Rodrigo Bacigalupe, Maite Ortuzar, Martha E. Trujillo
Summary: Micromonospora strains have been found in nitrogen-fixing root nodules of legume and actinorhizal plants, and can also colonize other parts of the plant, especially the leaves. This study observed over 150 strains and determined their enzymatic activity.
PHYTOBIOMES JOURNAL
(2022)