Data/hora: 12/06/2024 05:16:00

Provedor de dados: | 1
País: | Brazil
Título: | Physiological analysis and gene expression analysis of ZmDBP3, ZmALDH9, ZmAN13, and ZmDREB2A in maize lines
Autores: | Marques, Thaís Lima; Pinho, Renzo Garcia Von; Pinho, Édila Vilela de Resende Von; Paniago, Bruno da Costa; Freitas, Natália Chagas; Santos, Heloisa Oliveira dos.
Data: | 2019-09-20
Ano: | 2019
Palavras-chave: | Abiotic stress; Zea mays; QRT-PCR.; Water deficit; Genética Vegetal.
Resumo: | The objective of this study was to evaluate gene expression related to water deficit tolerance in maize lines. For this, lines previously classified as tolerant (91-T and 32-T) and non-tolerant (24-NT and 57-NT) to water deficit were used. The seeds of the four lines were evaluated for emergence and emergence speed index, and the seedlings were evaluated for root and shoot length under two conditions of water availability (70 and 10% substrate water retention capacity). In transcript analysis, the expression of several genes associated with water deficit tolerance, ZmDBP3, ZmALDH9, ZmAN13, and ZmDREB2A, was evaluated by qRT-PCR for the 91-T and 57-NT lines. It can be concluded that soil water deficiency did not reduce root development. However, the shoot length was significantly lower under dry conditions. Through transcript analysis, the genes ZmDBP3 and ZmAN13 were identified as potential markers for the early selection of maize lines tolerant to water deficit.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês

Identificador:

http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/43479

10.4025/actasciagron.v42i1.43479

Editor: | Universidade Estadual de Maringá
Relação: | http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/43479/751375148415
Formato: | application/pdf

Fonte:

Acta Scientiarum. Agronomy; Vol 42 (2020): Publicação contínua; e43479

Acta Scientiarum. Agronomy; v. 42 (2020): Publicação contínua; e43479

1807-8621

1679-9275

Fonte:

Copyright (c) 2020 Acta Scientiarum. Agronomy

https://creativecommons.org/licenses/by/4.0