WebNov 10, 2024 · Heterotrimeric GTP binding proteins (G proteins) and cytokinin play important roles in regulating plant growth and development. However, little is known about the mechanism by which they coordinate the regulation of grain size in rice. We functionally characterized one gene, RGG1, encoding a type-A Gγ subunit. Strong GUS staining was … WebApr 11, 2024 · Whereas CPPU is widely used for grape size enhancement (Reynolds et al. 1992; Wang et al. 2024) and cytokinin levels are critically regulate early fruit growth by promoting cell division (Baldet et al. 2006). So we cannot exclude the possibility that a large amount of sucrose hydrolysate in CPPU-treated berries are used for rapid fruit growth ...
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WebDec 16, 2005 · Cytokinin is a plant hormone that plays positive and negative regulatory roles in many aspects of plant growth and development. It stimulates the formation and … WebSep 26, 2006 · The frequency of regenerant-producing seeds was highest on ZEA and BA, whereas the greatest number of regenerants per seedling was found on TDZ. It is concluded that the culture of seeds on cytokinin-containing media, followed by transfer to cytokinin-free medium, is a suitable procedure for rapid production of a large number of uniform ...
WebApr 26, 2024 · Increased cytokinin accumulation in inflorescence meristems results in an increase in the number of reproductive organs, which leads to an increase in the number of grains per spike, spike length, thousand-grain weight (TGW), seed length, and seed width. WebAug 26, 2024 · In this study, we found that the mutation of AtENO2 reduced the seed size and weight. The level of glucose in seed was significantly elevated but that of starch was decreased in AtENO2 mutants compared to WT plants. We also found that AtENO2 mutation reduced the content of cytokinin which resulted in smaller cotyledons. The …
WebJan 11, 2011 · Cytokinin Regulates the Activity of Reproductive Meristems, Flower Organ Size, Ovule Formation, and Thus Seed Yield in Arabidopsis thaliana Isabel Bartrina, Elisabeth Otto, Miroslav Strnad, Tomáš Werner, Thomas Schmülling Author Notes The Plant Cell, Volume 23, Issue 1, January 2011, Pages 69–80, … WebSep 3, 2013 · The size of mature seeds produced by plants triple-homozygous ahk2/ahk2, ahk3/ahk3, iku2-2/iku2-2 was significantly larger than the size of iku2-2/iku2-2 mutant seeds (P value, 3.44E-20) , …
WebCytokinins are present in all plant tissues. They are abundant in the root tip, shoot apex, and immature seeds. Their endogenous concentration is in the low nanomolar range. Typically, several types of cytokinins and their modified forms are present in a given tissue.
WebApr 13, 2024 · Striga seed is even more miniscule, at 0.2–0.35 mm in length, with an endosperm that can only support the embryo for a few days (Runo & Kuria, 2024). Cuscuta seed size (length) ranges from 0.7 to 3 mm with an embryo surrounded by hard endosperm but no cotyledons (Olszewski et al., 2024). greenleaf condo elkhart in for saleWebFeb 2, 2024 · defective cytokinin signaling mostly increases seed size ( Werner et al., 2003 ; Argyros et al., 2008 ; Deng et al., 2010 ), possibly due to the differential roles of the … fly from franceWebNov 10, 2024 · R, root. j Subcellular localization of RGG1 in rice protoplasts. Scale bar, 20 μm. Full size image. To observe the subcellular localization of RGG1, both green … greenleaf condos for saleWebApr 8, 2024 · Cytokinin-responsive factors CRF2 and CRF3 play a significant role in regulating the initiation of Arabidopsis LRs at low temperatures, which mainly include two types of ... Arabidopsis cytokinin receptor mutants reveal functions in shoot growth, leaf senescence, seed size, germination, root development, and cytokinin metabolism. … greenleaf condominiums incWebFeb 2, 2024 · Mutation at a specific amino acid D364 of PPKL1 activates cytokinin response, thus enlarges grain size in a semi-dominant mutant named s48. Overexpression of PPKL1 containing D364, either with the ... greenleaf condominiums bethlehem paWebSep 1, 2024 · OsRR4, OHK4, OsRR9, OsCKX5, and Loc_Os07g13800- cytokinin-N-glucosyltransferase expression levels were decreased. And the cytokinin content was increased in osdof18 mutants at 7 DAG. Also, osdof18 mutant seed had more small size and less large size starch granules, whereas the OsDOF18 over expression line had the … fly from fresno to las vegasWebNov 29, 2024 · Cytokinins have opposing actions in shoot and root growth—actions shown to involve cytokinin dehydrogenase (CKX), the enzyme that inactivates cytokinin. ... This leads to the potential of … fly from gatwick to dublin