2024 Auxin sensitivity

Auxin sensitivity

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August undefined, 2024

WebApr 15, 2024 · The response of SULI was well-fitted by a Hill function with light sensitivity (half-maximal response, k) of 0.78 μmol m −1 s −1 (Fig. 3c), reflecting higher sensitivity of SULI than of the ... WebMar 22, 2024 · Auxin sensitivity is antagonized primarily by SPL9. In light- and temperature-elicited hypocotyl elongation responses during Arabidopsis seedling …

Comprehensive Transcriptome Analysis of Auxin Responses in

WebMar 1, 2008 · The response of auxin-sensitive GH3 genes to auxin is very rapid, with GH3.3 and GH3.4 also responding in suspension culture. PIN. Of the eight PIN genes in Arabidopsis (Paponov et al., 2005) (all of which were represented on the gene chips analyzed), three were up-regulated by auxin at a transcriptional level—PIN1 PIN3 and … WebMay 6, 2024 · To test the auxin sensitivity of the seeds, seeds were sown in clear plastic boxes, each containing 750 µL of picloram (1, 10 and 100 mM) or 1-NOA (1, 200 and 500 µM) (Sigma‐Aldrich, Steinheim ... moses knoxville

Responses to auxin signals: an operating principle for dynamical ...

WebSep 25, 2001 · Auxin is a classic phytohormone involved in a myriad of developmental and environmental processes: embryo patterning, cell division and elongation, vascular differentiation, lateral root initiation, gravitropism, and phototropism (1, 2).To help understand auxin-signaling pathways, a successful strategy was implemented to identify early … WebMay 29, 1998 · Genetic approaches have also linked auxin transport to lateral root development. The tir3-1 mutant was isolated based on its reduced sensitivity to growth inhibition by auxin-transport inhibitors (Ruegger et al., 1997). This mutant has reduced polar auxin transport in floral inflorescences and fewer NPA-binding sites. minerals authority

Auxin - an overview ScienceDirect Topics

Save your TIRs – more to auxin than meets the eye

WebMar 23, 2024 · The transition in gene transcription implies a shift in either lateral auxin transport or auxin sensitivity, possibly mediated by reactive oxygen species or reductive factors . The significance of this observation is the ensuing change of curvature from positive to negative gravitropic and that it reaches the typical negative gravitropic ... WebMar 22, 2024 · Moreover, miR156-dependent auxin sensitivity also operates in the shade avoidance response at lower temperatures. Thus, these results unveil the miR156/SPL9 … moses koh tong porWebJan 15, 2024 · Auxin-specific genetic reporters enable tissue-specific localisation of auxin activity as a result of the expression of markers (e.g. β-glucuronidase (GUS) or … minerals beginning with f

"WebOct 25, 2024 · This is accompanied by increased YUC9 expression and enhanced meristem sensitivity to low auxin, mimicking the effects of high levels of BR. These data collectively suggest that inhibition of BR signaling in the stele confers positive feedback on BR biosynthesis, in turn promoting epidermal BR signaling and meristem sensitivity to low … " - Auxin sensitivity

Auxin sensitivity

WebMay 26, 2006 · The AXR4 gene was identified in a screen for Arabidopsis mutants that are resistant to the auxin 2,4-D (9, 10).The axr4 phenotype is markedly similar to aux1, with defects in lateral root formation and gravitropism (9–13).The gravitropic defects of aux1 and axr4, but not of the auxin response mutants axr2 and axr3, can be rescued by the … WebMay 31, 2014 · Relationship between auxin sensitivity, auxin affinity and degradation rate. Auxin sensitivities of Aux/IAAs (EC 50 [IAA]) determined in this study and auxin affinities …

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WebSuggestive evidence was found for an inverse correlation between parent shoot sensitivity to auxin and the degree of sylleptic branching, as well as a partially positive correlation with respect to sensitivity to cytokinin. The present data are consistent with the hypothesis that auxin and cytokinin may play repressive and promotive roles ... WebAmitav Bhattacharya, in Effect of High Temperature on Crop Productivity and Metabolism of Macro Molecules, 2024. 6.3.4 Effect of Auxins on Plant Growth. Auxin was identified as …

WebJul 12, 2024 · This review discusses the regulatory mechanisms underlying auxin-mediated cell elongation in the shade avoidance responses. In the early response to shade signals, auxin biosynthesis, transport, and sensitivity are all rapidly activated, thus promoting cell elongation of the hypocotyls and other organs. Under prolonged shade, increased auxin ... WebSep 20, 2006 · Other auxin-binding proteins such as AUXIN-BINDING PROTEIN-1 (ABP1) also confer auxin sensitivity and might also represent auxin receptors. These other pathways are likely to be extremely rapid ... We would like to show you a description here but the site won’t allow us.

WebMar 1, 2015 · Optimization of auxin sensitivity among co-expressed Aux/IAAs could produce a hierarchical order of action through ordered turnover of different Aux/IAAs (Pierre-Jerome et al., 2014). In this way, sequential degradation of Aux/IAAs could lead to a wave of gene expression, similar to the temporal gradation of gene expression observed for Dpp ... WebJan 31, 2024 · The ES domain is indispensable for the auxin-sensitivity of the ETT protein, and mutations in conserved motifs in the ES domain abolish the ability of ETT to sense auxin (Simonini et al., 2016, 2024; Kuhn et al., 2024). A study by Kuhn et al.

WebApr 1, 2010 · Auxin sensitivity was negatively correlated with miR393 accumulation in WT and three transgenic lines, suggesting that the phenotype resulted from miR393 oversupply (Fig. 4a–c). Therefore, AtmiR393a overexpression-derived miR393 oversupply impaired auxin sensitivity in transgenic tobaccos.

WebJun 2, 2024 · While this injury resulted from highly volatile formulations of 2,4- D, it accentuates how sensitive grapevines are to these products in even very low rates of exposure. There are other groups of auxin-like herbicides that can also cause damage similar to 2,4-D but the symptoms and physical characteristics of these compounds vary. minerals baselWebMay 3, 2024 · Here we show that prolonged shade (i) increases the sensitivity to auxin as revealed by low DII fluorescence and high DR5:GUS staining (Fig. 5 B and C) in the … moses kuria defeated norminations 2017WebOct 21, 2024 · Studies in potatoes found that TOR and auxin are required in adventitious root formation. The auxin receptor mutant tir1 is sensitive to TOR inhibitors, while the double and quadruple mutants tir1afb2, tir1afb3, and tir1afb1afb2afb3 are more sensitive to the rapamycin inhibitor asTORis than the single mutant tir1. minerals at el malpais national monumentWebUsing a yeast heterologous reconstitution system, we investigated auxin-dependent degradation of all Arabidopsis Aux/IAAs in combination with every TIR or AFB receptor … minerals beginning with xWebA primary role for auxin sensitivity in LR induction by Pi limitation was inferred from three lines of evidence: (1) the roots of Pi-deprived seedlings are 10- to 100-fold more … moses kotane traffic departmentWebAUXIN响应因子（ARFs）是植物生长发育许多阶段中涉及生长素信号转导的转录因子。microRNA160（miR160）靶向拟南芥中的ARF10，ARF16和ARF17。在这里，我们表明miR160对ARF10的负调控在种子发芽和发芽后起重要作用。表达miR160抗性形式的ARF10的转基因植物在miRNA目标位点（称为mARF10）具有沉默突变，表现出发育 ... moses kuria speech on gmoWebAug 14, 2012 · Key message. Overexpression of a cotton defense-related gene GbWRKY1 in Arabidopsis resulted in modification of the root system by enhanced auxin sensitivity to positively regulate the Pi starvation response.. Abstract. GbWRKY1 was a cloned WRKY transcription factor from Gossypium barbadense, which was firstly identified as a defense … minerals as supplements