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排序方式: 共有48条查询结果,搜索用时 15 毫秒
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C. Ye S. Fukai I. D. Godwin H. Koh R. Reinke Y. Zhou C. Lambrides W. Jiang P. Snell E. Redoña 《Euphytica》2010,176(3):291-301
Low temperature is a major abiotic stress for rice cultivation, causing serious yield loss in many countries. To identify
QTL controlling low temperature induced spikelet sterility in rice, the progeny of F2, BC1F1 and BC2F1 populations derived
from a Reiziq × Lijiangheigu cross were exposed to 21/15°C for 15 days at the booting stage, and spikelet sterility was assessed.
For genotyping, 92 polymorphic markers from 373 SSR and 325 STS primer pairs were used. A major QTL was initially indentified
on the short arm of chromosome 10 by selective genotyping using highly tolerant and susceptible progeny from F2 and BC1F1
populations. The QTL (qLTSPKST10.1) was validated and mapped by genotyping the entire F2 (282 progeny) and BC1F1 (84 progeny)
populations. The results from the F2 population showed that qLTSPKST10.1 could explain 20.5% of the variation in spikelet
sterility caused by low temperature treatment with additive (a = 14.4) and dominant effect (d = −7.5). From the analysis of
98 selected BC2F1 progeny, the QTL located in the 3.5 cM interval between S10010.9 and S10014.4 was further confirmed. Based
on the studies of 3 generations in 2 years, it was clear that the QTL on chromosome 10 is a major determinant of the control
of low temperature induced spikelet sterility at booting stage. 相似文献
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American Journal of Potato Research - 相似文献
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Approximate numerical radiative calculations show that whether added aerosol causes heating or cooling of the earth-atmosphere system is a function not only of its intrinsic absorption-backscatter characteristics but also of its particular location in the atmosphere with respect to the average cloud as well as of both the cloud reflectivity and the underlying surface reflectivity. 相似文献
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Assembly of chick brain tubulin onto isolated basal bodies of Chlamydomonas reinhardi 总被引:26,自引:0,他引:26
W J Snell W L Dentler L T Haimo L I Binder J L Rosenbaum 《Science (New York, N.Y.)》1974,185(148):357-360
Basal bodies isolated from Chlamydomonas reinhardi will serve as initiation centers for the assembly of chick brain microtubule protein subunits (tubulin) into microtubules. The rate of microtubule assembly is tubulin-concentration dependent; this assembly occurs onto both distal and proximal ends of the basal body mnicrotubules, with distal assembly greatly favored. In vitro assembly of brain tubulin also occurs onto the mid-lateral aspects of the basal bodies, presumably onto the fiber connecting the two basal bodies. 相似文献