Flowering and determinacy in maize

Author: xsfw

August undefined, 2024

WebJan 30, 2008 · Given the rich history of maize genetics and the agronomic importance of its seeds, maize is an excellent and important system for understanding how unisexuality can evolve in flowering plants. Mutations that feminize tassel florets can be identified easily by the presence of seeds and fuzzy silks (female stigmas) in the male tassel (Figure 1a ).

OsbHLH067, OsbHLH068, and OsbHLH069 redundantly regulate …

WebMaize is an ideal system to study the genetic control of meristem fate because of the contribution from determinate and indeterminate meristems to the overall inflorescence. … WebMar 3, 2007 · Maize is an ideal system to study the genetic control of meristem fate because of the contribution from determinate and indeterminate meristems to the overall … hiding vertical blinds with curtains

检索结果-暨南大学图书馆

WebJun 9, 2024 · The dicer-like1 homolog fuzzy tassel is required for the regulation of meristem determinacy in the inflorescence and vegetative growth in maize. Plant Cell 26 , 4702–4717 (2014). WebSee1 interacts with maize SGT1, a cell cycle and immune regulator, interfering with its MAPK-triggered phosphorylation. ... is necessary and … WebJun 27, 2016 · This video is all about corn domestication and which genetic changes occur in maize domestication . The central hypothesis is the Tb 1 gene cane cause the … hiding vtx1300c cables

Grass Meristems II: Inflorescence Architecture, Flower …

WebJun 1, 2002 · Meristems may be determinate or indeterminate. In maize, the indeterminate inflorescence meristem produces three types of determinate meristems: spikelet pair, spikelet and floral meristems. These meristems are defined by their position and their products. We have discovered a gene in maize, indeterminate floral apex1 (ifa1) that … WebMar 18, 2024 · Inflorescence architecture and floral development in flowering plants are determined by genetic control of meristem identity, determinacy, and maintenance. The ear inflorescence meristem in maize ( Zea mays ) initiates short branch meristems called spikelet pair meristems, thus unlike the tassel inflorescence, the ears lack long branches. hiding wall speakersWebMar 1, 2000 · A weak flowering signal tends to delay meristem determinacy in the inflorescence, allowing for increased branch outgrowth and higher order branch initiation (McSteen et al., 2000; Endo-Higashi and ... how far back can hair follicle drug tests go

"WebOther pathways, such as sex determination, are likely to be found only in maize with its separate male and female flowers. A rich genetic history has resulted in a large collection of maize mutants. The advent of genomic tools and synteny across the grasses now permits the isolation of the genes behind inflorescence architecture and the ability ... " - Flowering and determinacy in maize

Flowering and determinacy in maize

MicroRNA, sex determination and floral meristem …

WebCarpels in maize undergo programmed cell death in half of the flowers initiated in ears and in all flowers in tassels. The HD-ZIP I transcription factor gene GRASSY TILLERS1 … WebIn maize, the indeterminate inflorescence meristem produces three types of determinate meristems: spikelet pair, spikelet and floral meristems. These meristems are defined by …

Did you know?

WebApr 13, 2024 · In contrast, D082 and D226 plants displayed determinacy in MA and LBs, forming flowers at the terminal end of MA and LBs ... Expression patterns and mutant phenotype of teosinte branched1 correlate with growth suppression in maize and teosinte. Genetics 162:1927–1935. WebSep 1, 2008 · Sex determination in the flowers of maize involves the abortion of stamen or pistil development. Recent work investigating genes that control this process reveals that a microRNA is involved in both the sex determination of the male inflorescence and its growth pattern. ... MicroRNA, sex determination and floral meristem determinacy in maize ...

WebJan 30, 2008 · In maize, imperfect florets arise by the arrest of stamen development in female flowers and by the abortion of pistil primordials in the male, suggesting that sex … WebSep 3, 2024 · suppression. For example, grass flowers exhibit extreme diversity in floral sexuality, arising through differential suppression of stamens or carpels. In maize, carpels undergo programmed cell death in half of the flowers initiated in ears and in all flowers in tassels. The HD-ZIP I transcription factor gene GRASSY TILLERS1 (GT1) is one of only

WebSep 15, 2008 · Grass flowers are organized on small branches known as spikelets. In maize,the spikelet meristem is determinate, producing one floral meristem and then converting into a second floral meristem. The APETALA2(AP2)-like gene indeterminate spikelet1 (ids1) is required for the timely conversion of the spikelet meristem into the … Webflowers but on the same plant. Maize (Zea mays) is a monoecious plant that produces imperfect (unisexual) male flowers, or florets, in the tassel and imperfect female florets in the ear. In maize, imperfect florets arise by the arrest of stamen development in female flowers and by the abortion of pistil primordials in the male, suggesting that sex

WebHere, we begin to define the genetic regulatory network to which the maize domestication gene, teosinte branched1 (tb1), belongs. Using a combination of molecular methods to …

WebFeb 24, 2009 · A pH of 6.0 to 6.5 is optimal for most perennials. Most Georgia soils are acid and require the addition of lime to correct pH. In the absence of a soil test, add a … how far back can hmrc go backWebMar 1, 2007 · Flowering and determinacy in maize. All plant organs are produced by meristems, groups of stem cells located in the tips of roots and shoots. Indeterminate meristems make an indefinite number of organs, whereas determinate meristems are consumed after making a specific number of organs. Maize is an ideal system to study … how far back can hmrc go back for vatWebJul 24, 2005 · The plant morphologist W. Troll surveyed some 40,000 species to infer that the flowering plant shoot is comprised of zones defined by branch determinacy and their relationship to the parent shoot ... how far back can hmrc investigate taxWebRegulation of spikelet determinacy Conversely, high levels of miR172 and the loss of function Spikelet determinacy in wheat and barley is largely de‐ of Q (three homoeoalleles) leads to sterile lemmas and the termined by the elongation or suppression of the spikelet indeterminacy of the spikelet meristem (Debernardi et al. axis, known as the ... how far back can genealogy be tracedWebFlowering and determinacy in maize Author: Bortiri, Esteban, Hake, Sarah Source: Journal of experimental botany 2007 v.58 no.5 pp. 909-916 ISSN: 0022-0957 Subject: … hiding vs deleting comments facebookWebRA3 is a classic inflorescence meristem determinacy gene that encodes a trehalose-6-phosphate (T6P) phosphatase (TPP). Dissection of floral development revealed that ra3 single mutants have partially derepressed carpels, whereas gt1 ; ra3 double mutants have completely derepressed carpels. ... Recruitment of an ancient branching program to ... hiding wall cordsWeb暨南大学,数字图书馆. 开馆时间：周一至周日7:00-22:30 周五 7:00-12:00; 我的图书馆 how far back can hmrc go to recover tax