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| 1 | The barren stalk2 Gene Is Required for Axillary Meristem Development in Maize显示文摘The diversity of plant architecture is determined by axillary meristems (AMs). AMs are produced from small groups of stem cells in the axils of leaf primordia and generate vegetative branches and reproductive inflorescences . Previous studies identified genes critical for AM development that function in auxin biosynthesis, transport, and signaling. barren stalkl (ba1), a basic helix-loop-helix transcription factor, acts downstream of auxin to control AM formation. Here, we report the cloning and characterization of barren stalk2 (ba2), a mutant that fails to produce ears and has fewer branches and spikelets in the tassel, indicating that ba2 functions in reproductive AM development. Furthermore, the ba2 mutation suppresses tiller growth in the teosinte branchedl mutant, indicating that ba2 also plays an essential role in vegetative AM development. The ba2 gene encodes a protein that co-localizes and heterodimerizes with BA1 in the nucleus . Characterization of the genetic interaction between ba2 and ba1 demonstrates that ba1 shows a gene dosage effect in ba2 mutants, providing further evidence that BA1 and BA2 act together in the same pathway. Characterization of the molecular and genetic interaction between ba2 and additional genes required for the regulation of ba1 further supports this finding. The ba1 and ba2 genes are orthologs of rice genes, LAX PANICLE1 (LAX1) and LAX2, respectively, hence providing insights into pathways controlling AMs development in grasses. | Hong Yao Andrea Skirpan Brian Wardell Michaela S.Matthes Norman B.Best Tyler McCubbin Amanda Durbak Taylor Smith Simon Malcomber Paula McSteen | 2019 | Molecular Plant2019，12，3： | 4 |
| 2 | Auxin EvoDevo: Conservation and Diversification of Genes Regulating Auxin Biosynthesis, Transport, and Signaling显示文摘The phytohormone auxin has been shown to be of pivotal importance in growth and development of land plants.The underlying molecular players involved in auxin biosynthesis, transport, and signaling are quite well understood in Arabidopsis.However, functional characterizations of auxin-related genes in economically important crops, specifically maize and rice, are still limited.In this article, we comprehensively review recent functional studies on auxirelated genes in both maize and rice, compared with what is known in Arabidopsis, and highlight conservation and diversification of their functions. Our analysis is illustrated by phylogenetic analysis and publicly available gene expression data for each gene family, which will aid in the identification of auxin-related genes for future research.Current challenges and future directions for auxin research in maize and rice are discussed.Developments in gene editing techniques provide powerful tools for overcoming the issue of redundancy in these gene families and will undoubtedly advance auxin research in crops. | Michaela Sylvia Matthes Norman Bradley Best Janlo M.Robil Simon Malcomber Andrea Gallavotti Paula McSteen | 2019 | Molecular Plant2019，12，3： | 3 |
| 3 | Heterogeneous expression patterns and separate roles of the SEPALLATA gene LEAFY HULL STERILE1 in grasses显示文摘 | Malcomber S T Kellogg E A | 2004 | The Plant Cell2004，16，7： | 1 |
| 4 | Duplication and diversification of the LEAFY HULL STERILE1 and Oryza sativa MADS5 SEPALLATA lineages in graminoid Poales显示文摘 | Chfistensen A R Malcomber S T | 2012 | EvoDevo2012，3，1： | 1 |
| 5 | SEPALLATA gene diversification:brave new whorls 显示文摘 | Malcomber ST Kellogg EA | 2005 | Trends Plant Sci2005，10，9： | 1 |
| 6 | Primacladea flexible tool to find conserved PCR primers across multiple species 显示文摘 | Gadberry M D Malcomber S T Doust A N | 2005 | Bioinformatics2005，21，7： | 1 |
| 7 | SEPALLATA gene diversification:brave new whorls显示文摘 | Malcomber S T Kellogg E A | 2005 | Trends in Plant Sci2005，10，9： | 1 |
| 8 | Developmental gene evolution and the origin of grass inflorescence diversity显示文摘 | Malcomber S T Preston J C Reinheimer R | | 0，，： | 1 |
| 9 | A trehalose metabolic enzyme controls inflorescence architecture in maize显示文摘 | Namiko Satoh-Nagasawal Nobuhiro Nagasawa Simon Malcomber | 2005 | Nature2005，441，11： | 1 |
| 10 | barren inflorescence2 encodes a co-ortholog of the PINOID serine/threonine kinase and is required for organogenesis during inflorescence and vegetative development in maize显示文摘 | McSteen P Malcomber S Skirpan A | | 0，，： | 1 |
| 11 | Heterogeneous expression patterns and separate roles of the SEPALLATA gene LEAFY HULL STERILE1 in grasses 显示文摘 | MALCOMBER ST KELLOGG EA | 2004 | The Plant Cell2004，16，： | 1 |
| 12 | SEPALLATA gene diver sification: brave new whorls 显示文摘 | Malcomber S T Kellogg E A | 2005 | Trends Plant Sci2005，10，： | 1 |
| 13 | sparse inflorescence1encodes a monocot-specific YUCCA-like gene required for vegeta-tive and reproductive development in maize显示文摘 | GALLAVOTTI A BARAZESH S MALCOMBER S HALL D JACKSON D SCHMIDT R J MCSTEEN P | 2008 | Proc Natl Acad SciUSA2008，，15： | 1 |
| 14 | Evolution of unisexual flowers in grasses (Poaceae) and the putative sex-determination gene, TASSELSEED2 (TS2) 显示文摘 | Malcomber ST Kellogg EA | 2006 | New Phytol2006，170，4： | 1 |
| 15 | Nuclear translocation and activation of the transcription factor NFAT is blocked by herpres 显示文摘 | Scott ES Malcomber S Hare P | 2001 | Simpl Virus Infect J Virol2001，75，20： | 1 |
| 16 | Phylogenomic analyses of the BARREN STALK1/LAX PANICLE1 (BA1/LAX1) genes and evidence for their roles during axillary meristem de- velopment显示文摘 | Woods DP Hope CL Malcomber ST | 2011 | Molecular Biology and Evolution2011，28，7： | 1 |
| 17 | SEPALLATA gene diversifica-tion: brave new whorls 显示文摘 | Malcomber S T Kellogg E A | 2005 | Trends in Plant Science2005，10，： | 1 |
| 18 | SEPALLATA gene diversification: brave new whorls显示文摘 | Malcomber S T Kellogg E A | 2005 | Trends Plant Science2005，10，9： | 1 |
| 19 | Barren inflorescence2 Encodes a co-ortholog of the PINOID serine/threonine kinase and is required for organogenesis during inflorescence and vegetative development in maize显示文摘 | MCSTEEN P MALCOMBER S SKIRPAN A | 2007 | Plant Physiology2007，144，2： | 1 |
| 20 | Effect of maturation and anterior cruciate ligament transection on the level of keratan sulfate in the serum of dogs显示文摘 | Malcomb AJ Adams ME | 1989 | J Rheumatol1989，16，： | 1 |
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