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| 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 | Replacement of the anterior cruciate ligament using a patellar tendon allograf显示文摘 | ARNOCZKY S WARRCN R ASHLOCK M | 1986 | J Bone Joint Surg Am1986，68，3： | 1 |
| 3 | Effect of IL-2 therapy on CD8^+ cell noncytotoxic anti-HIV response during primary HIV-1 infection 显示文摘 | Martinez Marino B Ashlock BM Shiboski S | 2004 | J Clin Immunol2004，24，2： | 1 |
| 4 | Monophyly and associated terms 显示文摘 | Ashlock P D | 1971 | Syst Zool1971，20，： | 1 |
| 5 | Monophyly again 显示文摘 | Ashlock P D | 1972 | Syst Zool1972，21，： | 1 |
| 6 | The use of cladistics 显示文摘 | Ashlock P D | 1974 | Ann Rev Ecol Syst1974，5，： | 1 |
| 7 | An evolutionary systematist' s view of classification 显示文摘 | Ashlock P D | 1979 | Syst Zool1979，28，： | 1 |
| 8 | Replacement of the anterior cruclate ligament using a patellar tendon allograft: an experimental study显示文摘 | Aruoczky SP Warren RF Ashlock MA | 1986 | J Bone Joint Surg Am1986，68，： | 1 |
| 9 | Genetic dissection of intermated recombinant inbred lines using a new genetic map of maize显示文摘 | Fu Y Wen T.J Ronin Y.I Chen H.D. Guo.L. Mester D.I. Yang Y. Lee M. Korol A.B. Ashlock D.A. Schnable P.S | | 0，，03： | 1 |
| 10 | Row spacing in the early soybean production system 显示文摘 | Bowers G R Rabb J L Ashlock L O | 2000 | Agronomy - Journal2000，92，3： | 1 |
| 11 | HIV-infected cells are major inducers of plasmacytoid dendritic cell interferon production, maturation, and migration显示文摘 | SCHMIDT B ASHLOCK B M 'FOSTER- --H | 2005 | Virology2005，343，2： | 1 |
| 12 | Row spacing in the early soybean production system 显示文摘 | Bowers G R Rabb J L Ashlock L O | 2000 | Agronomy Jour- nal2000，92，3： | 1 |
| 13 | Enhaneement of antibody respones to an HIV-2 DNA envelope vaccine using an expression vectorcontaining a constitutive transport element显示文摘 | Locher CP Witt SA Ashlock BM | 2002 | DNA Cell Biol2002，21，8： | 1 |
| 14 | Chaos automata: iterated function systems with memory 显示文摘 | Ashlock D Golden J | 2003 | Physiea D2003，181，： | 1 |
| 15 | Efficacious proteasome/HDAC inhibitor combination therapy for primary effusion lymphoma显示文摘 | Bhatt Shruti Ashlock Brittany M Toomey Ngoc L Diaz Luis A Mesri Enrique A Lossos Izidore S Ramos Juan Carlos | 2013 | Journal of Clinical Investigation2013，，6： | 1 |
| 16 | Comprehensive bidding strategies with genetic programming/finite state automata显示文摘 | Richter C W Sheble G B Ashlock D | 1999 | IEEE Trans on Power Systems1999，14，4： | 1 |
| 17 | Efficacious proteasome/HDAC inhibitor combination therapy for primary effusion lymphoma 显示文摘 | Bhatt S Ashlock BM Toomey NL | 2013 | J Clin Invest2013，123，6： | 1 |
| 18 | Replacement of the anterior cruciate ligament using a patellar tendon allograft显示文摘 | Arnoczky SP Warren RF Ashlock MA | 1986 | J Bone Joint Surg (Am)1986，68，3： | 1 |
| 19 | replacement of the anterior cruciate ligament using a patellar tendon allograft显示文摘 | Arnoczky SP Warren RF Ashlock MA | 1986 | J Bone Joint Surg[ Am]1986，68，3： | 1 |
| 20 | Maize Mu transposons are targeted to the 5' untranslated region of the gl8 gene and Sequeences flanking Mu target-site duplications exhibit nonrandom nucleotide composition throughout the genome显示文摘 | Dietrich C.R Cui F Packila M.L Li J Ashlock D.A Nikolau B.J and Schnable P.S | | 0，，02： | 1 |
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