The genus has significant economic importance since it is cultivated and consumed worldwide for its flavor and pungent properties. In 2021, Mexico produced 3.3 billion tons on 45,000 hectares which yielded USD 2 billion in exports to the USA, Canada, Japan, etc. Soil type has a dramatic effect on phosphorus (P) availability for plantsdue to its ion retention.In a previous study, novel fungal isolates were shown to solubilize and mineralize P in different kinds of soils with different P retention capacities. The aim of this work was to study the effects of the mineralogy of different kinds of "milpa" soils on the germination, biomass production, and P absorption of chili plants (). The germination percentage, the germination speed index, and the mean germination time were significantly increased in the plants treated with dual inoculation. Foliar phosphorus, growth variables, and plant biomass of chili plants grown in a greenhouse were enhanced in different soil types and with different inocula. Correlation studies suggested that the most significant performance in the foliar P concentration and in the growth response of plants was achieved in Vertisol with dual inoculation of 7 × 10 mL spores per chili plant, suggesting this would be an appropriate approach to enhance chili cultivation depending on the soil type. This study stresses the importance of careful analysis of the effect of the soil type in the plant-microbe interactions.
Download full-text PDF |
Source |
---|---|
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9699344 | PMC |
http://dx.doi.org/10.3390/jof8111178 | DOI Listing |
Braz J Microbiol
January 2025
Department of Biochemistry and Biotechnology, Universidade Estadual de Londrina, PR-445, Km 380, C.P. 10.011, CEP 86.057-970, Londrina, Paraná, Brazil.
Cowpea (Vigna unguiculata) is recognized as a promiscuous legume in its symbiotic relationships with rhizobia, capable of forming associations with a wide range of bacterial species. Our study focused on assessing the diversity of bacterial strains present in cowpea nodules when inoculated with soils from six indigenous lands of Mato Grosso do Sul state, Central-Western Brazil, comprising the Cerrado and the Pantanal biomes, which are known for their rich diversity. The DNA profiles (BOX-PCR) of 89 strains indicated great genetic diversity, with 20 groups and 23 strains occupying single positions, and all strains grouped at a final similarity level of only 25%.
View Article and Find Full Text PDFISME J
January 2025
DTU Bioengineering, Technical University of Denmark, 2800 Kgs Lyngby, Denmark.
Soil bacteria are prolific producers of a myriad of biologically active secondary metabolites. These natural products play key roles in modern society, finding use as anti-cancer agents, as food additives, and as alternatives to chemical pesticides. As for their original role in interbacterial communication, secondary metabolites have been extensively studied under in vitro conditions, revealing many roles including antagonism, effects on motility, niche colonization, signaling, and cellular differentiation.
View Article and Find Full Text PDFMany cellular functions depend on the physical properties of the cell's environment. Many bacteria have different types of surface appendages to enable adhesion and motion on various surfaces. is a social soil bacterium with two distinctly regulated modes of surface motility, termed the social motility mode, driven by type IV pili, and the adventurous motility mode, based on focal adhesion complexes.
View Article and Find Full Text PDFFront Microbiol
January 2025
Agroécologie, French National Institute for Agriculture, Food, and Environment (INRAE), Institut Agro, Université Bourgogne, Université Bourgogne Franche-Comté, Dijon, France.
Introduction: Agriculture is undergoing an agroecological transition characterized by adopting new practices to reduce chemical fertilizer inputs. In this context, digestates are emerging as sustainable substitutes for mineral fertilizers. However, large-scale application of digestates in agricultural fields requires rigorous studies to evaluate their long-term effects on soil microbial communities, which are crucial for ecosystem functioning and resilience.
View Article and Find Full Text PDFMicrobiol Res
January 2025
National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, College of Resources and Environment, Shandong Agricultural University, Taian 271018, China. Electronic address:
The GlnE enzyme, functioning as an adenylyltransferase/adenylyl-removing enzyme, plays a crucial role in reversible adenylylation of glutamine synthetase (GS), which in turn regulates bacterial nitrogen assimilation. Genomic analysis of Azorhizobium caulinodans ORS571 revealed an open reading frame encoding a GlnE protein, whose function in the free-living and symbiotic states remains to be elucidated. A glnE deletion mutant retained high GS activity even under nitrogen-rich conditions.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!