Role of Functional Bacterial Phylum Proteobacteria in Glycine max Growth Promotion Under Abiotic Stress: A Glimpse on Case Study

Vaishnav, Anukool; Kasotia, Amrita; Choudhary, Devendra Kumar

doi:10.1007/978-981-13-0347-0_2

Cited by 6 publications

(4 citation statements)

References 49 publications

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“…Only two genera were found in the soil, root, and shoot samples: Bacillus and Pseudomonas . In addition, we found Novosphingobium sp., a rhizosphere-associated bacteria known to promote rice growth through N 2 fixation and production of indole-3-acetic acid and siderophores in the rhizosphere (Krishnan et al, 2017; Vaishnav et al., 2018 ). Similarly, other dominant genera, such as Sphingomonas and Bacillus , have been previously shown to secrete gibberellins ( Asaf et al., 2018 ).…”

Section: Discussionmentioning

confidence: 99%

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Microbiome structure variation and soybean’s defense responses during flooding stress and elevated CO2

Coffman,

Mejia,

Alicea

et al. 2024

Front. Plant Sci.

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IntroductionWith current trends in global climate change, both flooding episodes and higher levels of CO2 have been key factors to impact plant growth and stress tolerance. Very little is known about how both factors can influence the microbiome diversity and function, especially in tolerant soybean cultivars. This work aims to (i) elucidate the impact of flooding stress and increased levels of CO2 on the plant defenses and (ii) understand the microbiome diversity during flooding stress and elevated CO2 (eCO2).MethodsWe used next-generation sequencing and bioinformatic methods to show the impact of natural flooding and eCO2 on the microbiome architecture of soybean plants' below- (soil) and above-ground organs (root and shoot). We used high throughput rhizospheric extra-cellular enzymes and molecular analysis of plant defense-related genes to understand microbial diversity in plant responses during eCO2 and flooding.ResultsResults revealed that bacterial and fungal diversity was substantially higher in combined flooding and eCO2 treatments than in non-flooding control. Microbial diversity was soil>root>shoot in response to flooding and eCO2. We found that sole treatment of eCO2 and flooding had significant abundances of Chitinophaga, Clostridium, and Bacillus. Whereas the combination of flooding and eCO2 conditions showed a significant abundance of Trichoderma and Gibberella. Rhizospheric extra-cellular enzyme activities were significantly higher in eCO2 than flooding or its combination with eCO2. Plant defense responses were significantly regulated by the oxidative stress enzyme activities and gene expression of Elongation factor 1 and Alcohol dehydrogenase 2 in floodings and eCO2 treatments in soybean plant root or shoot parts.ConclusionThis work suggests that climatic-induced changes in eCO2 and submergence can reshape microbiome structure and host defenses, essential in plant breeding and developing stress-tolerant crops. This work can help in identifying core-microbiome species that are unique to flooding stress environments and increasing eCO2.

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Section: Discussionmentioning

confidence: 99%

“…Firmicutes are known to be anaerobic species, which is likely why they play a large role during flooding stress (Martıńez-Arias et al, 2022). Contrarily, Proteobacteria were more abundant in flooding + eCO 2 , which are known to play a crucial role in abiotic stress environments (Vaishnav et al, 2018).…”

Section: Discussionmentioning

confidence: 99%

Microbiome structure variation and soybean’s defense responses during flooding stress and elevated CO2

Coffman,

Mejia,

Alicea

et al. 2024

Front. Plant Sci.

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“…Firmicutes are known to have anaerobic species, which is most likely why they play a significant role during flooding stress ( Martínez-Arias et al., 2022 ). Contrarily, the Proteobacteria are more abundant in flooding with elevated CO 2 , which is known to play a crucial role in abiotic stress environments ( Vaishnav et al., 2018 ). Recent studies have shown that taxa from a single genus or family in the rhizosphere or phyllosphere of rice and Arabidopsis plants offer increased drought stress tolerance ( Finkel et al., 2020 ).…”

Section: Elucidating Phytomicrobiome For Plant Responses To Climate C...mentioning

confidence: 99%

The phytomicrobiome: solving plant stress tolerance under climate change

Khan

2023

Front. Plant Sci.

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With extraordinary global climate changes, increased episodes of extreme conditions result in continuous but complex interaction of environmental variables with plant life. Exploring natural phytomicrobiome species can provide a crucial resource of beneficial microbes that can improve plant growth and productivity through nutrient uptake, secondary metabolite production, and resistance against pathogenicity and abiotic stresses. The phytomicrobiome composition, diversity, and function strongly depend on the plant’s genotype and climatic conditions. Currently, most studies have focused on elucidating microbial community abundance and diversity in the phytomicrobiome, covering bacterial communities. However, least is known about understanding the holistic phytomicrobiome composition and how they interact and function in stress conditions. This review identifies several gaps and essential questions that could enhance understanding of the complex interaction of microbiome, plant, and climate change. Utilizing eco-friendly approaches of naturally occurring synthetic microbial communities that enhance plant stress tolerance and leave fewer carbon-foot prints has been emphasized. However, understanding the mechanisms involved in stress signaling and responses by phytomicrobiome species under spatial and temporal climate changes is extremely important. Furthermore, the bacterial and fungal biome have been studied extensively, but the holistic interactome with archaea, viruses, oomycetes, protozoa, algae, and nematodes has seldom been studied. The inter-kingdom diversity, function, and potential role in improving environmental stress responses of plants are considerably important. In addition, much remains to be understood across organismal and ecosystem-level responses under dynamic and complex climate change conditions.

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“…Este filo é dividido em 6 classes principais baseado apenas na proximidade molecular pela análise filogenética do gene 16S rRNA, tendo em vista que não apresentam característica morfológicas e fisiológicas específicas que caracterize os membros de cada classe 89 , sendo: Alfaproteobacteria, Betaproteobacteria, Gamaproteobacteria, Deltaproteobacteria, Epsilonproteobacteria, Zetaproteobacteria. Apesar deste filo incluir uma grande quantidade de agentes patogênicos para plantas e humanos como Burkholderia, Shigella, Salmonella, Helicobacter, Ralstonia entre outras 90 , as Proteobacterias são comumente encontradas no microbioma de solo e de plantas, desempenhando funções cruciais no seu desenvolvimento [91][92][93][94][95] .…”

Section: Potencial Biotecnológico Do Filo Proteobacteriaunclassified

Análise de voláteis bacterianos promotores do crescimento vegetal

Henrique Silva Dias

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Eu não teria conseguido finalizar mais esta etapa se eu não tivesse pessoas excepcionais ao meu lado, me dando o suporte e motivação nos meus piores e melhores dias. E são a eles que agradeço por terem me ajudado, me ouvido e me impulsionado a fazer deste projeto o melhor do mundo.À minha mãe Marlene, minha eterna inspiração e motivo para continuar acreditando em um mundo melhor. Sem ela e minhas irmãs, Daniela e Renata, eu não seria nem a metade da pessoa que me tornei hoje. Obrigado por me apoiarem, me incentivarem e acreditarem no meu potencial, mesmo sem entender muito bem as escolhas que eu fiz.Aos meus afilhados, Maria Eduarda e Arthur, é por vocês que abri mão de tanto.Obrigado por serem meu porto seguro.À minha orientadora, Juliana Velasco, por ter me dado a oportunidade de fazer parte do CNPEM, lá em 2017, quando fui seu estagiário. De lá pra cá muita coisa aconteceu, mas nunca desistimos de fazer ciência de primeira qualidade. Obrigado por me treinar, me guiar, me ensinar a ser um pesquisador crítico e um ser humano mais resiliente. Nem tudo foi flores, mas guardarei no coração apenas os momentos de intenso aprendizado, mentoria e dedicação ao longo desses 4 anos de parceria. Obrigado por tudo que consegui através deste projeto.Eu não poderia deixar de mencionar meus colegas de bancada da Ilha 04, que ao longo destes 4 anos compartilhamos inúmeras histórias, cervejas, ranços e frustrações com experimentos mal sucedidos. Juntos formamos um grupo no qual me orgulho muito em pertencer e ter conhecido. Obrigado Octavio Costa, Natalia Araújo, Sabrina (minha eterna filha). Guilherme, Ana Carolina, Luciane, Rebeca e Aline... durante o mestrado vocês me acolheram e me fizeram sentir em casa todos os dias. Foi muito prazeroso poder compartilhar conhecimento com vocês. Em especial, tenho que agradecer a três grandes amigos que fiz nesse período, que estiveram sempre ao meu lado discutindo ciência, perrengues da vida, compartilhando café (e cerveja) e colecionando inúmeros bons momentos: Nat Coutouné, Carlinha e Gustavo (Borin ou Bóris pros mais íntimos). Vocês foram fundamentais na minha caminhada e na minha formação. Sou muito grato pela amizade que construímos e por cada palavra de motivação que me deram ao longo deste período. Vocês fizeram meus dias serem mais leves e me apoiaram incondicionalmente a ser uma pessoa melhor. Obrigado por tanto. Aos amigos das outras ilhas e toda equipe de colaboradores das facilities de Sequenciamento NGS e de Bioinformática do CTBE/LNBR. Em especial à Juliana Aricetti, do LabMET, por todo empenho, doação, comprometimento e compartilhamento de conhecimento durante a execução deste projeto. Meu muito obrigado pela parceria. Aos meus housemates e amigos de Campinas, que se tornaram minha família campineira. Agradeço por todos os momentos que passamos juntos. Vocês me fizeram uma pessoa incrivelmente feliz por cada refeição compartilhada, por cada terço pós expediente, por todos os nossos pré-treinos e eventinhos no Mansões

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Role of Functional Bacterial Phylum Proteobacteria in Glycine max Growth Promotion Under Abiotic Stress: A Glimpse on Case Study

Cited by 6 publications

References 49 publications

Microbiome structure variation and soybean’s defense responses during flooding stress and elevated CO2

Microbiome structure variation and soybean’s defense responses during flooding stress and elevated CO2

The phytomicrobiome: solving plant stress tolerance under climate change

Análise de voláteis bacterianos promotores do crescimento vegetal

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