Apical Meristem
An Efficient Protocol for Large-Scale Plantlet Production from the Apical Meristem of Musa Paradisiaca L. cv ‘Nendran
... After culturing for 15 d on basal medium, the apical meristem was subcultured into MS and MU media containing different concentrations of PGRS. The expanded shoot clusters were subdivided into pieces (~1.5 ...
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The Arabidopsis OBERON1 and OBERON2 genes encode plant homeodomain finger proteins and are required for apical meristem maintenance
... the apical-basal axis is established during ...axis, apical meristems, which contain a pool of pluripotent stem cells, are formed at the apical and basal ...shoot apical meristem and in ...
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ERECTA family genes coordinate stem cell functions between the epidermal and internal layers of the shoot apical meristem
... The epidermal cell layer and the tissues that lie underneath have different intrinsic functions during plant development. The stem cells within the shoot apical meristem (SAM) that give rise to aerial ...
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Primary wall cellulose synthase regulates shoot apical meristem mechanics and growth
... How organisms attain their specific shapes and modify their growth patterns in response to environmental and chemical signals has been the subject of many investigations. Plant cells are at high turgor pressure and are ...
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Quantification of Tilletia caries and Tilletia controversa mycelium in wheat apical meristem by real time PCR
... procedure for target organism DNA to ensure the stable yield and purity of DNA subsequently used in amplification techniques. As Hauglanda et al. (1999) and Karakousis et al. (2006) presented, this study first searched ...
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Regulation of Arabidopsis shoot apical meristem and lateral organ formation by microRNA miR166g and its AtHD ZIP target genes
... observed meristem phenotype, where independent domains of WUS expression lead to the formation of discrete, ectopic ...jba meristem phenotypes by generating double mutants between jba-1D plants and plants ...
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Fine Mapping and Characterization of Linked Quantitative Trait Loci Involved in the Transition of the Maize Apical Meristem From Vegetative to Generative Structures
... Following the example of Wehrhahn and Allard tion of a high-resolution map around a fruit mass QTL (1965), attempts to genetically dissect the quantitative (Alpert et al. 1995; Alpert and Tanksley 1996). behavior of ...
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TRICOT encodes an AMP1 related carboxypeptidase that regulates root nodule development and shoot apical meristem maintenance in Lotus japonicus
... During the course of evolution, mainly leguminous plants have acquired the ability to form de novo structures called root nodules. Recent studies on the autoregulation and hormonal controls of nodulation have identified ...
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The ULTRAPETALA1 Gene Functions Early in Arabidopsis Development to Restrict Shoot Apical Meristem Activity and Acts Through WUSCHEL to Regulate Floral Meristem Determinacy
... 2.—Shoot apical meristem activity in ult1 stm- 11 ...shoot apical meri- stem in wild-type ...the meristem cell layers is ...shoot apical meristem and produce true leaves ...
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Changing plastid dynamics within early root and shoot apical meristem derived tissue of A thaliana
... The total plastid content of all plant cells originates from small, undifferentiated plastids termed proplastids found within dividing cells of the root and shoot apical meristems (RAM and SAM, respectively) ...
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The SHOOTLESS2 and SHOOTLESS1 Genes Are Involved in Both Initiation and Maintenance of the Shoot Apical Meristem Through Regulating the Number of Indeterminate Cells
... shoot meristem, strains bearing these weak alleles formed shoot meristem frequently during ...the meristem was lost during seed ...shoot meristem was composed of a small number of ...
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Morphogenesis of the Arabidopsis Shoot Apical Meristem
... the meristem in order to produce the patterns (size, shape, and connectedness) that are observed[43, ...the meristem) about one half plastochron before primordial growth where non-founder cells would ...
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A phosphoinositide map at the shoot apical meristem in Arabidopsis thaliana
... promotes stem cell-ness as well as its own negative regu- lator, through the CLV3 ligand and CLV1-CLV2-CRN receptors [3]. In the 1990s, this genetic network was further shown to incorporate hormones, and notably auxin, ...
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Phyllotaxis Turns over a New Leaf – A Review
... the apical meristem and the AGP-Ca 2+ capacitor; (2) proton pump activity (3) auxin 24.. efflux proteins (4) Ca 2+ channel activity (5) Hechtian adhesion that mediates the cell 25.[r] ...
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Analysis of expressed sequence tags in developing secondary xylem and shoot of Acacia mangium
... Here, we report the construction and analysis of ESTs comprising 8963 sequences obtained by sequencing a nor- malized cDNA library from developing secondary xylem and shoot of A. mangium. The sequences were assembled ...
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Class I KNOX transcription factors promote differentiation of cambial derivatives into xylem fibers in the Arabidopsis hypocotyl
... of meristem maintenance in shoot apices, with a dual role of promoting cell proliferation and inhibiting ...lateral meristem, in a similar fashion as in the shoot apical ...the meristem ...
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Dynamic regulation of auxin response during rice development revealed by newly established hormone biosensor markers
... shoot apical meristem (SAM), DR5-VENUS signals were only detected at the adjacent leaf primordia, while DII- VENUS was found at the apical meristem (Figures 2A–C, 3A), especially enriched at ...
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The cyclophilin A DIAGEOTROPICA gene affects auxin transport in both root and shoot to control lateral root formation
... A number of studies have highlighted the organogenetic power of the plant hormone auxin. Auxin biosynthesis, perception, signaling and polar transport (PAT) are all required for normal lateral root formation (reviewed by ...
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Arabidopsis HD Zip II transcription factors control apical embryo development and meristem function
... The Arabidopsis genome encodes ten Homeodomain-Leucine zipper (HD-Zip) II proteins. ARABIDOPSIS THALIANA HOMEOBOX 2 ( ATHB2 ), HOMEOBOX ARABIDOPSIS THALIANA 1 ( HAT1 ), HAT2 , HAT3 and ATHB4 are regulated by changes in ...
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Detection and Adaptation in Parasitic Angiosperm Host Selection
... root apical meris- tem population (germination), development of the host attachment organ (the haustorium), and shoot apical meristem initiation (seed coat shedding) in response to specific ...
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