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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.plantsci.2017.05.012
|2 doi
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|a pubmed25n0912.xml
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|a (DE-627)NLM273920855
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|a (NLM)28716422
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|a (PII)S0168-9452(16)30521-0
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Song, Dongyan
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Development of imidazolinone herbicide tolerant borage (Borago officinalis L.)
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|c 2017
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 02.01.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2017. Published by Elsevier B.V.
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|a Borage (Borago officinalis) is an annual herb that produces a high level of gamma-linolenic acid (GLA) in its seed oil. Due to the recognized health benefits of GLA, borage is now commercially cultivated worldwide. However, an herbicide-tolerant variety for effective weed management has not yet been developed. Here we report the generation and characterization of ethyl methanesulfonate (EMS) induced borage mutant lines tolerant to the herbicide imidazolinone. An EMS-mutagenized borage population was generated by using a series of concentrations of EMS to treat mature borage seeds. Screening of the M2 and M3 borage plants using an herbicide treatment resulted in the identification of two imidazolinone-tolerant lines. Sequence analysis of two acetohydroxyacid synthase (AHAS) genes, AHAS1 and AHAS2, from the mutant (tolerant) and wild type (susceptible) borage plants showed that single nucleotide substitutions which resulted in amino acid changes occurred in AHAS1 and AHAS2, respectively in the two tolerant lines. A KASP marker was then developed to differentiate the homozygous susceptible, homozygous tolerant and heterozygous borage plants. An in vitro assay showed that homozygous tolerant borage carrying the AHAS1 mutation retained significantly higher AHAS activity than susceptible borage across different imazamox concentrations. A herbicide dose response test indicated that the line with the AHAS1 mutation could tolerate four times the normally used field concentration of "Solo" herbicide
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|a Journal Article
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|a Acetohydroxyacid synthase (AHAS)
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|a Borago officinalis
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|a Ethyl methanesulfonate
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|a Herbicide tolerance
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|a Imidazolinone
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|a Mutagenesis
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|a Herbicides
|2 NLM
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|a Imidazolines
|2 NLM
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|a Plant Proteins
|2 NLM
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|a Ethyl Methanesulfonate
|2 NLM
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| 650 |
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|a 9H154DI0UP
|2 NLM
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| 650 |
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|a Acetolactate Synthase
|2 NLM
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| 650 |
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|a EC 2.2.1.6
|2 NLM
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| 700 |
1 |
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|a Wu, Guohai
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vrinten, Patricia
|e verfasserin
|4 aut
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| 700 |
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|a Qiu, Xiao
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant science : an international journal of experimental plant biology
|d 1985
|g 262(2017) vom: 07. Sept., Seite 74-80
|w (DE-627)NLM098174193
|x 1873-2259
|7 nnas
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| 773 |
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|g volume:262
|g year:2017
|g day:07
|g month:09
|g pages:74-80
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|u http://dx.doi.org/10.1016/j.plantsci.2017.05.012
|3 Volltext
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|d 262
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