| Registro completo |
| Provedor de dados: |
Agronomy
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| País: |
Brazil
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| Título: |
Physiological analysis and gene expression analysis of ZmDBP3, ZmALDH9, ZmAN13, and ZmDREB2A in maize lines
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| 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
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| Data: |
2019-09-20
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| Ano: |
2019
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| Palavras-chave: |
Abiotic stress
Zea mays
QRT-PCR.
Water deficit
Genética Vegetal
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| 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.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/43479
10.4025/actasciagron.v42i1.43479
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| Editor: |
Universidade Estadual de Maringá
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| Relação: |
http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/43479/751375148415
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| Formato: |
application/pdf
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| Fonte: |
Acta Scientiarum. Agronomy; Vol 42 (2020): Publicação contínua; e43479
Acta Scientiarum. Agronomy; v. 42 (2020): Publicação contínua; e43479
1807-8621
1679-9275
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| Direitos: |
Copyright (c) 2020 Acta Scientiarum. Agronomy
https://creativecommons.org/licenses/by/4.0
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