Journal
APPLIED AND ENVIRONMENTAL MICROBIOLOGY
Volume 89, Issue 2, Pages -Publisher
AMER SOC MICROBIOLOGY
DOI: 10.1128/aem.01247-22
Keywords
Bacillus spp; diversity; microbial inoculants; sustainable production; wheat
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In this study, the diversity, functionality, and applicability of wheat-associated native Bacillus were reviewed for the first time. It was found that Bacillus spp. can be widely distributed in different parts of wheat and have the ability to promote plant growth and alleviate stresses. A STVAE pipeline consisting of 5 processes was proposed for the development of native Bacillus-based inoculants for sustainable wheat production, addressing possible solutions, concerns, and criteria.
The genus Bacillus has been widely applied in contemporary agriculture as an environmentally-friendly biological agent. However, the real effect of commercial Bacillus-based fertilizers and pesticides varies immensely in the field. The genus Bacillus has been widely applied in contemporary agriculture as an environmentally-friendly biological agent. However, the real effect of commercial Bacillus-based fertilizers and pesticides varies immensely in the field. To harness Bacillus for efficient wheat production, we reviewed the diversity, functionality, and applicability of wheat-associated native Bacillus for the first time. Our main findings are: (i) Bacillus spp. inhabit the rhizosphere, root, stem, leaf, and kernel of wheat; (ii) B. subtilis and B. velezensis are the most widely endophytic species that can be isolated from both below and aboveground tissues; (iii) major functions of these representative strains are promotion of plant growth and alleviation of both abiotic and biotic stresses in wheat; (iv) stability and effectiveness are 2 major challenges during field application; (v) a STVAE pipeline that includes 5 processes, namely, Screen, Test, Validation, Application, and Evaluation, has been proposed for the capture and refinement of wheat-associated Bacillus spp. In particular, this review comprehensively addresses possible solutions, concerns, and criteria during the development of native Bacillus-based inoculants for sustainable wheat production.
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