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Brassinosteróide

Brassinosteróide

Bhawna Chaudhary / Bishun Deo Prasad / Sangita Sahni

83,26 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2024
Materia
Biologia, ciencias de la vida
ISBN:
9786208125363
83,26 €
IVA incluido
Disponible

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Sobre IBD

Os brassinosteróides (BRs) são hormonas esteróides vegetais, que desempenham um papel essencial no crescimento e desenvolvimento das plantas e também conferem tolerância a uma vasta gama de stresses abióticos. Considerando a importância crescente do papel dos BRs nas respostas ao stress e no papel protetor contra a toxicidade dos metais pesados nas plantas, realizámos um estudo para analisar os dez genes associados à acumulação e transporte de arsénio [OsHACs (OsHAC1;1 e OsHAC1;2), OsPht1, Lsi1, Lsi2, OsGrxs (OsGrx_C7 e OsGrx_C2.1), OsCLT1, OsNRAMP1 e OsABCC1] em plantas de arroz (Rajendra Kasturi) tratadas com 24-epibrassinosteróide (EBR), um BR, cultivadas em solo naturalmente contaminado com arsénio. O perfil de expressão dos genes envolvidos na absorção de arsénio e na sua translocação foi realizado utilizando a análise qRT-PCR. A identificação e caraterização de genes responsivos a BR envolvidos na acumulação e transporte de arsénio em plantas de arroz, abrem portas para uma análise mais aprofundada destes genes como alvos para reduzir a absorção de arsénio em arroz.

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