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4篇 您的检索式：作者名="Nettleton David"

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		题名	作者	年代	出处	被引量
	1	Floret-specific differences in gene expression and support for the hypothesis that tapetal degeneration of Zea mays L. occurs via programmed cell death显示文摘The maize (Zea mays) spikelet consists of two florets, each of which contains three developmentally synchronized anthers. Morpho-logically, the anthers in the upper and lower florets proceed through apparently similar developmental programs. To test for global differences in gene expression and to identify genes that are coordinately regulated during maize anther development, RNA samples isolated from upper and lower floret anthers at six developmental stages were hybridized to cDNA microarrays. Approximately 9% of the tested genes exhibited statistically significant differences in expression between anthers in the upper and lower florets. This finding indicates that several basic biological processes are differentially regulated between upper and lower floret anthers, including metabolism, protein synthesis and signal transduction. Genes that are coordinately regulated across anther development were identified via cluster analysis. Analysis of these results identified stagespecific, early in development, late in development and biphasic expression profiles. Quantita-tive RT-PCR analysis revealed that four genes whose homologs in other plant species are involved in programmed cell death are upregulated just prior to the time the tapetum begins to visibly degenerate (i.e., the mid-microspore stage). This finding supports the hypothesis that developmentally normal tapetal degeneration occurs via programmed cell death.	David S. Skibbe Xiujuan Wang Lisa A. Borsuk Daniel A. Ashlock Dan Nettleton Patrick S. Schnable	2008	Journal of Genetics and Genomics2008，35，10：	2
	2	A comparison of Active Set Method and Genetic Algorithm Approaches for Learning Weighting Vectors in Some Aggregation Operators显示文摘	DAVID F NETTLETON VICEN~ TORRA	2001	International Journal of Intelligent Systems2001，16，9：	1
	3	Highly stable,monochromatic and tunable optical radiation source and its application to high accuracy spectrophotometry显示文摘	Valerie E Anderson Nigel P Fox David H Nettleton	1992	Applied Optics(S0003-6935)1992，31，4：	1
	4	Analysis of Web search engine query session and clicked documents 显示文摘	Nettleton David Calderon-Benavides Liliana Baeza- Yates Ricardo	2007	Lecture Notes in Computer Science2007，4811，：	1

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