2015
DOI: 10.4238/2015.march.31.9
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Molecular identification of phosphate-solubilizing native bacteria isolated from the rhizosphere of Prosopis glandulosa in Mexicali valley

Abstract: ABSTRACT.One of the main limitations in intensive crop production in Northwestern Mexico is the dependence on the use of phosphate fertilizer. In this study, we isolated indigenous microorganisms with phosphate solubilization capacities from mesquite (Prosopis glandulosa) present in the Mexicali valley. In total, 4 bacteria were isolated from the rhizosphere of mesquite, including ICA01, ICA02Ba, ICA03Bs, and ICA04Ma. The bacterial isolates were identified based on their phenotypic and 16S rRNA gene sequencing… Show more

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Cited by 9 publications
(3 citation statements)
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“…Comparative study isolate PSB -1 shows maximum Solubilizing index/ Solubilizing efficiency i.e. (2.62) /(161.90%) followed by PSB-2, PSB-3, PSB-9, PSB-6, PSB-10, PSB-11, PSB-5, PSB-7, PSB-8 and PSB-4 (Table 1) (L. Moreno-Ramírez et. al., 2015).…”
Section: Solubilizing Index/ Solubilizing Efficiencymentioning
confidence: 99%
“…Comparative study isolate PSB -1 shows maximum Solubilizing index/ Solubilizing efficiency i.e. (2.62) /(161.90%) followed by PSB-2, PSB-3, PSB-9, PSB-6, PSB-10, PSB-11, PSB-5, PSB-7, PSB-8 and PSB-4 (Table 1) (L. Moreno-Ramírez et. al., 2015).…”
Section: Solubilizing Index/ Solubilizing Efficiencymentioning
confidence: 99%
“…Although some PGPB could indirectly promote phytoremediation of heavy metals via IAA production [ 32 ], phosphorus solubilization, potassium solubilization [ 33 ], siderophore production [ 34 36 ], ACC deaminase activity, nitrogen fixation, etc. [ 37 ], the growth-promoting characteristics and heavy metals remediation ability can significantly vary among different PGPB [ 38 40 ].…”
Section: Discussionmentioning
confidence: 99%
“…As rizobactérias multifuncionais podem promover o crescimento das plantas por diferentes mecanismos de ação diretos ou indiretos (Ahemad & Kibret, 2014) (Figura 4). Os mecanismos diretos consistem na produção de compostos que favorecem o crescimento das plantas, como fitormônios como ácido 3-indolacético (AIA), auxinas e citocininas (Glick, 1999;Júnior, 2021); no aumento do sistema radicular para facilitar a absorção de água e nutrientes pelos vegetais (Ahemad & Kibret, 2014;Reddy, 2013;Glick, 2012;Duca et al, 2014); na fixação biológica de nitrogênio -FBN (N) e solubilização de fosfato (P), nutrientes que se encontram pouco disponíveis no solo para a absorção/assimilação pelas plantas (Ahn et al, 2011;Nihorimbere et al, 2011;Jog et al, 2014;Mehta et al, 2014;Ramírez et al, 2015); na produção de sideróforos, moléculas orgânicas, quelantes de ferro, que atuam diretamente na manutenção da saúde das plantas, pois impedem a captação desse nutriente por eventuais microrganismos patogênicos, além de reduzirem o estresse oriundo de solos com altas taxas de metais pesados (Lee et al, 2012;Lakshmanan et al, 2015). maior que plântulas não tratadas (controle).…”
Section: Mecanismos De Ação Das Rizobactérias Multifuncionaisunclassified