Nodulation in black locust by the Gammaproteobacteria Pseudomonas sp. and the Betaproteobacteria Burkholderia sp.

Shiraishi, Ayami; Matsushita, Norihisa; Hougetsu, Taizo

doi:10.1016/j.syapm.2010.04.005

Cited by 110 publications

(70 citation statements)

References 19 publications

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“…Estas últimas são capazes de colonizar as raízes das plantas e, no caso das leguminosas, de coabitar com as BFNNL dentro dos nódulos. Vários trabalhos têm relatado o isolamento de bactérias não simbióticas em nódulos desinfestados superficialmente, e os gêneros de ocorrência frequente são: Agrobacterium, Pseudomonas, Enterobacter, Pantoea, Bacillus e Paenibacillus (Kan et al, 2007;Li et al, 2008;Shiraishi et al, 2010;Marra et al, 2012). Possivelmente, essas bactérias penetram no tecido vegetal juntamente com as nodulíferas durante a infecção e a formação dos nódulos (Kan et al, 2007).…”

Section: Methodsunclassified

“…Contudo, os gêneros Paenibacillus e Bacillus geralmente são endofíticos de nódulos, mas não nodulíferos, embora haja relatos da nodulação em feijão-caupi por esses dois gêneros (Marra et al, 2012;Jaramillo et al, 2013). Alguns autores têm sugerido que algumas bactérias endofíticas de nódulos poderão evoluir para bactérias simbióticas por meio da transferência horizontal de genes simbióticos (Li et al, 2008;Shiraishi et al, 2010). Shiraishi et al (2010) detectaram a ocorrência de nodulação em Robinia pseudoacacia por Pseudomonas sp.…”

Section: Estirpesunclassified

“…Alguns autores têm sugerido que algumas bactérias endofíticas de nódulos poderão evoluir para bactérias simbióticas por meio da transferência horizontal de genes simbióticos (Li et al, 2008;Shiraishi et al, 2010). Shiraishi et al (2010) detectaram a ocorrência de nodulação em Robinia pseudoacacia por Pseudomonas sp. e a presença de genes simbióticos (NodA, nifH e nifHD) nesse gênero.…”

Section: Estirpesunclassified

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Promoção do crescimento vegetal e diversidade genética de bactérias isoladas de nódulos de feijão-caupi

Costa

Nóbrega

Carvalho

et al. 2013

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi avaliar o potencial de promoção do crescimento vegetal e a diversidade genética de bactérias isoladas de nódulos de feijão-caupi cultivado em solos do Cerrado piauiense. Avaliaram-se 26 estirpes quanto à capacidade de fixar nitrogênio em vida livre, solubilizar fosfatos inorgânicos, produzir ácido-3-indolacético (AIA) na ausência e na presença do aminoácido triptofano (100 mg L -1 ), produzir nódulos e promover o crescimento de feijão-caupi em vasos Leonard. Nenhuma estirpe fixou nitrogênio em vida livre, e 69% foram capazes de solubilizar fosfato de cálcio in vitro. Na presença de triptofano, todas as estirpes foram capazes de sintetizar o AIA em meio 79, e 80% sintetizaram o AIA em meio DYGS. Apenas quatro estirpes nodularam o feijão-caupi. O sequenciamento do gene 16S rRNA identificou as estirpes nodulíferas como pertencentes aos gêneros Bradyrhizobium, Rhizobium, Bacillus e Paenibacillus. Entre as estirpes não nodulíferas promotoras do crescimento do feijão-caupi, estão os gêneros Bacillus e Paenibacillus.Termos para indexação: ácido-3-indolacético, fixação biológica de nitrogênio, solubilização de fosfatos. Plant growth promotion and genetic diversity of bacteria isolated from cowpea nodulesAbstract -The objective of this work was to evaluate the potential for plant growth promotion and the genetic diversity of bacteria isolated from nodules of cowpea grown in Cerrado soils in the state of Piauí, Brazil. Twenty-six strains were evaluated as to their ability to fixate free-living nitrogen, solubilize inorganic phosphates, produce indole-3-acetic acid (IAA) in the absence and presence of tryptophan (100 mg L -1 ), produce nodules, and promote cowpea growth in Leonard jars. No strain was able to fixate free-living nitrogen, and 69% were able to solubilize calcium phosphate in vitro. In the presence of tryptophan, all strains were able to synthesize IAA in the 79 medium, and 80% synthesized IAA in the DYGS medium. Only four strains nodulated cowpea. The sequencing of the 16S rRNA gene identified the nodulating strains as belonging to the genera Bradyrhizobium, Rhizobium, Bacillus, and Paenibacillus. Among the non-nodulating strains able to promote cowpea growth are the genera Bacillus and Paenibacillus.

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Section: Methodsunclassified

Section: Estirpesunclassified

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Promoção do crescimento vegetal e diversidade genética de bactérias isoladas de nódulos de feijão-caupi

Costa

Nóbrega

Carvalho

et al. 2013

Pesq. agropec. bras.

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“…In studies related to LNNFB diversity and/or selection, coexistence of non-symbiotic endophytic bacteria in surface-sterilized legume nodules has been reported, frequently occurring in the following genera: Agrobacterium, Enterobacter, Pantoea, Bacillus and Paenibacillus (Kan et al, 2007;Li et al, 2008;Lima et al, 2009;Shiraishi et al, 2010;Marra et al, 2012). These non-symbiotic endophytic nodule bacteria, similar to some LN-NFB, can act on plant nutrition and growth by different mechanisms, such as siderophore production, free-living N 2 fixation, phytohormone synthesis and solubilization of inorganic phosphates (Carson et al, 1992;Li et al, 2008;Marra et al, 2012;Oliveira-Longatti et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Bacterial strains from floodplain soils perform different plant-growth promoting processes and enhance cowpea growth

Costa

Carvalho

Nóbrega

et al. 2016

Sci. agric. (Piracicaba, Braz.)

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Certain nodulating nitrogen-fixing bacteria in legumes and other nodule endophytes perform different plant-growth promoting processes. The objective of this study was to evaluate 26 bacterial strains isolated from cowpea nodules grown in floodplain soils in the Brazilian savannas, regarding performance of plant-growth promoting processes and ability to enhance cowpea growth. We also identified these strains by 16S rRNA sequencing. The following processes were evaluated: free-living biological nitrogen fixation (BNF), solubilization of calcium, aluminum and iron phosphates and production of indole-3-acetic acid (IAA). The abilities to nodulate and pro- ) were obtained in the 79 medium with tryptophan by Enterobacter strains UFPI B5-7A, UFPI B5-4 and UFPI B5-6, respectively. Only eight strains nodulated cowpea, however, all increased production of total dry matter. The fact that the strains evaluated perform different biological processes to promote plant growth indicates that these strains have potential use in agricultural crops to increase production and environmental sustainability.

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“…Betaproteobacteria are comprised of three genera of Burkholderia (Sheu et al, 2012), Cupriavidus and Herbaspirillum (Euzeby's, 2006). In addition to alphaproteobacteria and betaproteobacteria, there are bacteria belonging to the class gammaproteobacteria (Benhizia et al, 2004;Shiraishi et al, 2010), but their symbiont properties have not been yet demonstrated.…”

Section: Introductionmentioning

confidence: 99%

Legume Nodulating Bacterium, Achromobacter xylosoxidans Found in Tropical Shrub Agroecosystem, Sumatera, Indonesia

Wedhastri¹,

Fardhani²,

Kabirun³

et al. 2015

IJBiotech

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Legume nodulating bacteria (LNB), known also as rhizobia, are soil bacteria, which are able to form root nodules and fi x nitrogen in the leguminous plants. The LNB availability in the soil depends on the type of agroecosystem, where plant grows. In this study, we isolated LNB from the shrub agroecosystem in Sumatera, Indonesia, and obtained four selected bacterial strains. Among them, the isolate UGM48a formed root nodule in Macroptilium atropurpureum and showed highest number of nitrogenase activity. UGM48a also contains nifH and nodA genes. An analysis of the PCR-amplifi ed 16S rDNA and BLASTn analysis showed that UGM48a displayed 96% similarity with Achromobacter xylosoxidans. In addition, UGM48a were successfully nodulated Glycine max (L.) merr var. wilis. This is the fi rst report detecting A. xylosoxidans as nodule-forming species for Glycine max possesing the positive copy of nodA gene.

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Nodulation in black locust by the Gammaproteobacteria Pseudomonas sp. and the Betaproteobacteria Burkholderia sp.

Cited by 110 publications

References 19 publications

Promoção do crescimento vegetal e diversidade genética de bactérias isoladas de nódulos de feijão-caupi

Promoção do crescimento vegetal e diversidade genética de bactérias isoladas de nódulos de feijão-caupi

Bacterial strains from floodplain soils perform different plant-growth promoting processes and enhance cowpea growth

Legume Nodulating Bacterium, Achromobacter xylosoxidans Found in Tropical Shrub Agroecosystem, Sumatera, Indonesia

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