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GENE FOR SHORTENING STALK OF GRAMINEOUS PLANT AND METHOD FOR PRODUCING SHORT-STALKED GRAMINEOUS PLANT UPDATE

外国特許コード F140007839
整理番号 S2013-1211-N0
掲載日 2014年2月18日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2013JP056339
国際公開番号 WO 2013146171
国際出願日 平成25年3月7日(2013.3.7)
国際公開日 平成25年10月3日(2013.10.3)
優先権データ
  • 特願2012-077453 (2012.3.29) JP
発明の名称 (英語) GENE FOR SHORTENING STALK OF GRAMINEOUS PLANT AND METHOD FOR PRODUCING SHORT-STALKED GRAMINEOUS PLANT UPDATE
発明の概要(英語) The purpose of the invention is to identify a short-stalk gene other than the sd1 gene and produce a short-stalked gramineous plant by utilizing a short-stalk gene other than the sd1 gene. The present invention provides a method for producing a short-stalked gramineous plant utilizing gene d60 for shortening the stalk of a gramineous plant, wherein the method for producing a short-stalked gramineous plant is characterized in that the expression of Os02g0280200 is suppressed. The present invention also provides a short-stalked gramineous plant and the like in which the expression of Os02g0280200 is suppressed.
従来技術、競合技術の概要(英語) BACKGROUND ART
Is grass, rice, wheat, barley, oats, rye, millet, millet, Setaria, corn, finger millet, sorghum and the like agriculturally important plant. Is a long grass culm, strong wind, for example, by the falling-down and it is not a typhoon, harvesting problem is greatly reduced.
Therefore, it is difficult to develop a kind of product is falling, gene obtained short culm, many years of breeding of a grass pollen short culm over are carried out. However, the short stature of the plant body is also reduced by making the unhusked ear or culm in many cases, gene is such a short-culm, not desirable from the viewpoint of productivity. Therefore, the unhusked ear and does not affect the, preparing the short stature gene only is required to shorten the culm.
Thus far found, and, in practical use only sd1 gene is a short culm. Is sd1, referred to as semi-dwarf, but the length of the ear is completely exposed whole plant of low stature trait gene, gibberellin (GA) enzyme in the biosynthesis systems of the type C20 gene defect. Current, Calrose 76 of the US, IR36 of the south-east Asia, such as Japan Milky NEW, short stone goods in the world rice at the cultivated species, as these short stone goods as a result of a genetic analysis for a given species, all of the type of semi-dwarf gene in sd1 was found to have the same locus. That is, a grass pollen of the current can be cultivated by short culm, slightly 1 dominated by one type of a particular gene, one type of a particular gene in a wide range slightly 1 used there is the drawback that occurs. Maintain the genetic diversity of the species, for the purposes of breeding to extend the functionalities, without resorting to genes were only sd1, the falling-down resistance gene of another short-breeding utilization in a culm propel and should, gene has been desired in the new short culm.
In recent years, the newly discovered is semi-dwarf gene d60 (non-patent document 1 and 2). Is d60, and a plant that does not have the gene as compared to only about 20 cm short stature gene which in the culm.
Semi-dwarf gene is d60, ubiquitous lodging coexist with gal female gametes of the lethal gene and the dose lethal for gametes, Koshihikari d60 system, d60 hokuriku having No. 100 type, and other varieties (genotype d60d60GalGal) system, for crossing (D60D60galgal) system F1 (D60d60Galgal) in, pollen and seed fertility is 75%, progeny F2 6 fertile in length (4D60D60: 2D60d60GalGal) culm: 2 (D60d60Galgal=F1 type) sterile portion length culm: ratio of the short 1 (d60d60GalGal) specifically separating the culm genetic manner take. Therefore, gal genetic d60 is essential. d60 Is an artifact of the gal without simultaneous mutation could not be obtained in a naturally occurring gene valuable short culm.
Semi-dwarf gene is d60, 2 of a grass pollen of the first found to be present on the chromosome, the first 1 to sd1 present on the chromosome is a genetically and functionally independent gene was shown to be (patent document 1). Further, using DNA marker or genetic marker, the presence of the gene on the chromosome 2 d60 of the first and/or d60 gene on a chromosome that is essential for the first genetic gal 5 by determining the presence of the gene, d60 gene and selecting a plant belonging to the family Gramineae gal gene has been developed a method (Patent Document 1).
However, to date, no gene has been identified and d60, the short culmed function has not been elucidated, has not yet been put to a practical use.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY
  • 発明者(英語)
  • TOMITA, Motonori
国際特許分類(IPC)
指定国 National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IS KE KG KM KN KP KR KZ LA LC LK LR LS LT LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG
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