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Registro Completo |
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
21/07/2021 |
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Data da última atualização: |
21/07/2021 |
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Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
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Autoria: |
ANDRADE, A.; TULMANN-NETO, A.; TCACENCO, F. A.; MARSCHALEK, R.; PEREIRA, A.; OLIVEIRA NETO, A. M.; SCHEUERMANN, K. K.; WICKERT, E.; NOLDIN, J. A. |
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Título: |
Gamma-rays in the Development of Rice Lines Tolerant to Aryloxyphenoxypropionate Herbicides. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
In: Sivasankar, S.; Ellis, N.; Jankuloski, L.; Ingelbrecht, I. Mutation Breeding, Genetic Diversity and Crop Adaptation to Climate Change. Oxfordshire: CABI, 2021. p. 1-5. |
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Idioma: |
Inglês |
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Conteúdo: |
The aryloxyphenoxypropionate (APP) herbicides are graminicides with excellent control of many grass weed species, including weedy rice (Oryza sativa L.). These herbicides block fatty acid biosynthesis by inhibition of the enzyme acetyl-CoA carboxylase (ACCase) and cause death of the plant. Through induced mutation of rice seeds with gamma-rays, rice lines resistant to APP have been developed. Plant dose?response assays confirmed resistance to the APP herbicides quizalofop-p-ethyl and haloxyfop-p-methyl. The carboxyl-transferase (CT) domain fragments of ACCase from the resistant line and the susceptible control were sequenced and compared. A point mutation was detected in the amino acid position 2027. Results indicated that resistance to APP herbicides is a consequence of an altered ACCase enzyme that confers resistance. APP-resistant rice provides an option to improve the efficiency of weed management in rice crops. |
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Palavras-Chave: |
ACCase inhibitors; acetyl-CoA carboxylase; haloxyfop-p-methyl; quizalofop-p-ethyl. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 01834naa a2200265 a 4500
001 1131037
005 2021-07-21
008 2021 bl uuuu u00u1 u #d
100 1 $aANDRADE, A.
245 $aGamma-rays in the Development of Rice Lines Tolerant to Aryloxyphenoxypropionate Herbicides.$h[electronic resource]
260 $c2021
520 $aThe aryloxyphenoxypropionate (APP) herbicides are graminicides with excellent control of many grass weed species, including weedy rice (Oryza sativa L.). These herbicides block fatty acid biosynthesis by inhibition of the enzyme acetyl-CoA carboxylase (ACCase) and cause death of the plant. Through induced mutation of rice seeds with gamma-rays, rice lines resistant to APP have been developed. Plant dose?response assays confirmed resistance to the APP herbicides quizalofop-p-ethyl and haloxyfop-p-methyl. The carboxyl-transferase (CT) domain fragments of ACCase from the resistant line and the susceptible control were sequenced and compared. A point mutation was detected in the amino acid position 2027. Results indicated that resistance to APP herbicides is a consequence of an altered ACCase enzyme that confers resistance. APP-resistant rice provides an option to improve the efficiency of weed management in rice crops.
653 $aACCase inhibitors
653 $aacetyl-CoA carboxylase
653 $ahaloxyfop-p-methyl
653 $aquizalofop-p-ethyl
700 1 $aTULMANN-NETO, A.
700 1 $aTCACENCO, F. A.
700 1 $aMARSCHALEK, R.
700 1 $aPEREIRA, A.
700 1 $aOLIVEIRA NETO, A. M.
700 1 $aSCHEUERMANN, K. K.
700 1 $aWICKERT, E.
700 1 $aNOLDIN, J. A.
773 $tIn: Sivasankar, S.; Ellis, N.; Jankuloski, L.; Ingelbrecht, I. Mutation Breeding, Genetic Diversity and Crop Adaptation to Climate Change. Oxfordshire: CABI, 2021. p. 1-5.
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