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Showing 1 to 14 of 14 for “"shoot apical meristem"”.
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Investigating the Roles of Three Aintegumenta-Like Genes In Maintenance of Arabidopsis Shoot Meristem Activity
<p>The shoot apical meristem, a small dome-shaped structure at the shoot apex of higher plants, is established during development of the embryo. After germination, the indeterminate activity of the shoot apical meristem is responsible for the initiation of all aboveground parts of the plant. The …
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Spatiotemporal Interaction Networks in Plant Development
… de novo vascular differentiation in the shoot apical meristem, regulation of cell polarity, and quantitative analysis of spatial gene expression. First, we deployed genetic, in vivo imaging and computational studies to derive an auxin-initiated feedback network of transcription factors …
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MOLECULAR NETWORK CONTROLLING THE OVULE DEVELOPMENT IN ARABIDOPSIS THALIANA
… type. Double mutant cuc1cuc2 shows defect in shoot apical meristem formation, two cotyledons fused along their margin to form a cup shaped structure (Aida et al., 1997). Normally it is difficult to get the double mutant plants from the fused cotyledon. Adventitious shoots regenerated from …
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Mechanisms of Microbial DNA Sensing by the AIM2 Inflammasome and Structural Study of Polynucleotydyl Transferase1 (pnt1) from Arabidopsis Thaliana
… (AGO10). AGO10 was known as a key regulator of shoot apical meristem (SAM) maintenance in Arabidopsis. A recent study reported that AGO10 can regulate the developmental processes in SAM by repressing two miRNAs, miR166/165, and bind to these two miRNAs. Sequence analysis of PNT1 showed that it …
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Natural genetic variation and gene expression patterns underlying lateral shoot (tiller) development in barley (Hordeum vulgare L)
The main shoot and other above-ground tissues develop from the shoot apical meristem (SAM), including axillary meristems (AXM) from which lateral branches develop. In barley, lateral branches called tillers contribute directly to grain yield and define shoot architecture. Two studies were completed …
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Isolation and characterization of the SIAMESE family: a novel class of cell cycle regulators in plants
… SIM proteins are expressed throughout the shoot apical meristem, in leaf primordia, and in the elongation zone of the root, and are localized to the nucleus. Overexpression of SIM, as well as the SMRs, in Arabidopsis results in slow-growing, severely dwarfed plants with greatly enlarged …
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Molecular characterization of signaling mechanisms in flowering transition in Arabidopsis and identification of novel flowering QTL in soybean
… repressor that controls the activity of the shoot apical meristem (SAM), was selected. Through yeast two-hybrid, we identified nine TFL1 interactors and named them TFL1-IN-LOVE (TIL). Of the nine, TIL3, showed specific binding to TFL1 at a unique TFL1 residue. For this reason TIL3, which …
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Isolation and characterization of latex-specific promoters from Papaver somniferum L.
… in opium poppy, and limited expression in the shoot apical meristem and root hypocotyl axis in Arabidopsis. These results indicate that the minimum active DIOX promoter is greater than 0.14 kb. Over 1 kb of the LSPs were sequenced and analyzed for regulatory elements using the Plant cis-acting …
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FUNCTIONAL ANALYSIS OF TRANSCRIPTION FACTORS INVOLVED IN REPRODUCTIVE MERISTEM IDENTITY IN ARABIDOPSIS THALIANA
… genes are responsible for the switch from the shoot apical meristem (SAM) to the inflorescence meristem (IM) and are involved in the activation of the floral meristem identity (FMI) genes: LFY, LATE MERISTEM IDENTITY1 (LMI1), APETALA1 (AP1), CAULIFLOWER (CAL), SHORT VEGETATIVE PHASE (SVP) and …
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Role of KNOX genes in the evolution and development of floral nectar spurs
… involved in maintaining indeterminacy in the shoot apical meristem (SAM), members of the KNOX gene family have been co-opted in the evolution and development of compound leaves where they suppress differentiation and extend the morphogenetic potential of the leaf. A similar model is presented …
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GENETIC DISSECTION OF PINE1 CONTROLLED STEM ELONGATION AND NEW INSIGHTS INTO LONG DAY FLOWERING IN ORYZA SATIVA
… coordination of two developmental processes: the shoot apical meristem (SAM) produces an inflorescence while, along the stem, internodes elongate to allow heading. Recently, PREMATURE INTERNODE ELONGATION1 (PINE1), a C2H2 zinc f inger transcription factor, was described as the responsible for stem …
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Identification and functional characterization of microRNA regulatory elements in Brassicaceae
… yet it was absent from lateral root tip and shoot apical meristem; whereas miRNA390b specifically expressed on lateral root tips, and a more restricted expression pattern was detected on aerial part of true leaves and floral organ. These differences indicated possible sub-functionalization …
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Female sterility and carpel development in plants
… expression differences between male and female shoot apical meristem tissue of AU9 with that of sequence analysis of EMS generated female-sterile mutants in Arabidopsis. The combined approach of our study identified a host of gene loci in both papaya and Arabidopsis, and 2 distinct genomic …