Pollen-mediated flow of bar gene in transgenic herbicide-resistant turf grass Zoysia japonica

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dc.contributor.authorH G Kang-
dc.contributor.authorO C Chung-
dc.contributor.authorT W Bae-
dc.contributor.authorH J Sun-
dc.contributor.authorIn Ja Song-
dc.contributor.authorK W Park-
dc.contributor.authorP O Lim-
dc.contributor.authorJ Lee-
dc.contributor.authorY E Lee-
dc.contributor.authorP S Song-
dc.contributor.authorH Y Lee-
dc.date.accessioned2021-05-19T03:30:26Z-
dc.date.available2021-05-19T03:30:26Z-
dc.date.issued2021-
dc.identifier.issn1863-5466-
dc.identifier.urihttps://oak.kribb.re.kr/handle/201005/24339-
dc.description.abstractWeed control can be most effectively achieved through the use of herbicide-resistance transgene. A preliminary study bar-transgenic Zoysia japonica posed no serious risk on the unintended escape of the transgene from its cultivation site. The present follow-up investigation of the dispersion of pollen and its short-distance escape outside of the bar-transgenic Zoysia japonica habitats were ascertained in terms of environmental factors affecting anthesis and pollen viability. In a 24-h day cycle, zoysiagrass pollen was released predominantly between 08:00 and 10:00, and the pollen was most viable during the same time interval. Optimal temperature and humidity for pollen viability was 15-20 °C and 80-90%, respectively. The pollen germinated in 120 min after anthesis, but under cloudy conditions germination time doubled. No differences in pollen viability/longevity between the transgenic and non-transgenic plants were observed. The pollen-mediated gene flow of transgenic Zoysia japonica to wild-type non-transgenic zoysiagrass species was monitored by measuring the cross-over rate of the bar gene in the context of three different models. At distances within 5 m, the rate of gene flow ranged from 3 to 5.7% according to the models used. The greater the distance from the transgenic plant site, the lower the gene flow rate. The furthest transgene detected was 38 m away and exhibited a 0.25% gene flow rate. The radial model yielded a 3.7% escape rate within a 3 m radius and was wind direction dependent. The distance- and direction-dependent gene flow events were influenced by wind direction and velocity during flowering season.-
dc.publisherSpringer-
dc.titlePollen-mediated flow of bar gene in transgenic herbicide-resistant turf grass Zoysia japonica-
dc.title.alternativePollen-mediated flow of bar gene in transgenic herbicide-resistant turf grass Zoysia japonica-
dc.typeArticle-
dc.citation.titlePlant Biotechnology Reports-
dc.citation.number2-
dc.citation.endPage250-
dc.citation.startPage241-
dc.citation.volume15-
dc.contributor.affiliatedAuthorIn Ja Song-
dc.contributor.alternativeName강홍규-
dc.contributor.alternativeName정옥철-
dc.contributor.alternativeName배태웅-
dc.contributor.alternativeName선현진-
dc.contributor.alternativeName송인자-
dc.contributor.alternativeName박기웅-
dc.contributor.alternativeName임평옥-
dc.contributor.alternativeName이재춘-
dc.contributor.alternativeName이용억-
dc.contributor.alternativeName송필순-
dc.contributor.alternativeName이효연-
dc.identifier.bibliographicCitationPlant Biotechnology Reports, vol. 15, no. 2, pp. 241-250-
dc.identifier.doi10.1007/s11816-021-00667-4-
dc.subject.keywordTurfgrass-
dc.subject.keywordZoysia japonica-
dc.subject.keywordHerbicide-resistant-
dc.subject.keywordTransgenic zoysiagrass-
dc.subject.keywordGene fow-
dc.subject.localTurfgrass-
dc.subject.localTurf grasses-
dc.subject.localZoysia japonica-
dc.subject.localHerbicide-resistant-
dc.subject.localTransgenic zoysiagrass-
dc.subject.localGene fow-
dc.description.journalClassY-
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