ALS herbicide resistance mutations in Raphanus raphanistrum evaluation of pleiotropic effects on vegetative growth and ALS activity

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Background: Gene mutations that endow herbicide resistance may cause pleiotropic effects on plant ecology and physiology. This paper reports on the effect of a number of known and novel target-site resistance mutations of the ALS gene [Ala-122-Tyr, Pro-197-Ser, Asp-376-Glu or Trp-574-Leu] on vegetat...

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Detalles Bibliográficos
Otros Autores: Li, Mei, Yu, Qin, Han, Heping, Vila Aiub, Martín Miguel, Powles, Stephen B.
Formato: Artículo
Lenguaje:Inglés
Materias:
ACETOLACTATE SYNTHASE
ADAPTATION
ALS ACTIVITY
MUTATIONS
RESISTANCE ALLELE
RESISTANCE MECHANISM
TARGET-SITE MUTATION
VEGETABLE PROTEIN
ALS
ALLELE
COMPETITION [ECOLOGY]
GROWTH RATE
HERB
HERBICIDE
MUTATION
PESTICIDE RESISTANCE
PHOTOSYNTHESIS
PHYSIOLOGY
PLEIOTROPY
DRUG EFFECT
ENZYMOLOGY
GENETICS
GROWTH, DEVELOPMENT AND AGING
HERBICIDE RESISTANCE
METABOLISM
MISSENSE MUTATION
RAPHANUS
PLANT PROTEINS
RAPHANUS RAPHANISTRUM
Acceso en línea:http://ri.agro.uba.ar/files/intranet/articulo/2013li.pdf
LINK AL EDITOR
Aporte de:Registro referencial: Solicitar el recurso aquí
Biblioteca Central (FAUBA) de Universidad de Buenos Aires
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520 |a Background: Gene mutations that endow herbicide resistance may cause pleiotropic effects on plant ecology and physiology. This paper reports on the effect of a number of known and novel target-site resistance mutations of the ALS gene [Ala-122-Tyr, Pro-197-Ser, Asp-376-Glu or Trp-574-Leu] on vegetative growth traits of the weed Raphanus raphanistrum. Results: The results from a series of experiments have indicated that none of these ALS resistance mutations imposes negative pleiotropic effects on relative growth rate [RGR], photosynthesis and resource-competitive ability in R. raphanistrum plants. The absence of pleiotropic effects on plant growth occurs in spite of increased [Ala-122-Tyr, Pro-197-Ser, Asp-376-Glu] and decreased [Trp-574-Leu] extractable ALS activity. Conclusion: The absence of detrimental pleiotropic effects on plant growth associated with the ALS target-site resistance mutations reported here is a contributing factor in resistance alleles being at relatively high frequencies in ALS-herbicide-unselected R. raphanistrum populations. 
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653 0 |a RAPHANUS RAPHANISTRUM 
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773 |t Pest Management Science  |g vol.69, no.6 (2013), p.689-695 
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900 |a ^aLi^bM.^tAustralian Herbicide Resistance Initiative, School of Plant Biology, University of Western Australia, Australia 
900 |a ^aLi^bM.^tInstitute of Plant Protection, Shandong Academy of Agricultural Sciences, JiNan, China 
900 |a ^aYu^bQ.^tAustralian Herbicide Resistance Initiative, School of Plant Biology, University of Western Australia, Australia 
900 |a ^aHan^bH.^tAustralian Herbicide Resistance Initiative, School of Plant Biology, University of Western Australia, Australia 
900 |a ^aVila-Aiub^bM.^tAustralian Herbicide Resistance Initiative, School of Plant Biology, University of Western Australia, Australia 
900 |a ^aVila-Aiub^bM.^tIFEVA-CONICET - Facultad de Agronomía, Universidad de Buenos Aires (UBA), Argentina 
900 |a ^aPowles^bS.B.^tAustralian Herbicide Resistance Initiative, School of Plant Biology, University of Western Australia, Australia 
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900 |a MUTATIONS 
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900 |a RESISTANCE MECHANISM 
900 |a TARGET-SITE MUTATION 
900 |a VEGETABLE PROTEIN 
900 |a ALS 
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900 |a GROWTH RATE 
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900 |a PLEIOTROPY 
900 |a DRUG EFFECT 
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900 |a GENETICS 
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900 |a HERBICIDE RESISTANCE 
900 |a METABOLISM 
900 |a MISSENSE MUTATION 
900 |a RAPHANUS 
900 |a PLANT PROTEINS 
900 |a RAPHANUS RAPHANISTRUM 
900 |a Background: Gene mutations that endow herbicide resistance may cause pleiotropic effects on plant ecology and physiology. This paper reports on the effect of a number of known and novel target-site resistance mutations of the ALS gene [Ala-122-Tyr, Pro-197-Ser, Asp-376-Glu or Trp-574-Leu] on vegetative growth traits of the weed Raphanus raphanistrum. Results: The results from a series of experiments have indicated that none of these ALS resistance mutations imposes negative pleiotropic effects on relative growth rate [RGR], photosynthesis and resource-competitive ability in R. raphanistrum plants. The absence of pleiotropic effects on plant growth occurs in spite of increased [Ala-122-Tyr, Pro-197-Ser, Asp-376-Glu] and decreased [Trp-574-Leu] extractable ALS activity. Conclusion: The absence of detrimental pleiotropic effects on plant growth associated with the ALS target-site resistance mutations reported here is a contributing factor in resistance alleles being at relatively high frequencies in ALS-herbicide-unselected R. raphanistrum populations. 
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