نتایج جستجو برای: gibberellin acid

تعداد نتایج: 749481  

2017
Maja Križnik Marko Petek David Dobnik Živa Ramšak Špela Baebler Stephan Pollmann Jan F. Kreuze Jana Žel Kristina Gruden

Potato virus Y is the most economically important potato viral pathogen. We aimed at unraveling the roles of small RNAs (sRNAs) in the complex immune signaling network controlling the establishment of tolerant response of potato cv. Désirée to the virus. We constructed a sRNA regulatory network connecting sRNAs and their targets to link sRNA level responses to physiological processes. We discov...

Journal: :Plant physiology 1968
M Ruddat

Vegetative shoots of Arizona cypress (Cupressus arizonica Greene) were found to contain an estimated 40 to 70 mug of gibberellin-like activity per kg. Based on elution patterns of silicic acid and celite partition columns, mobilities on thin layer chromatograms and specificity of the cucumber, d-3 dwarf maize, dwarf pea, and barley half seed bioassays it was possible to determine that the tissu...

Journal: :Journal of environmental biology 2009
S K Kim E Y Sohn G J Joo I J Lee

The endogenous gibberellin (GA) and abscisic acid (ABA) contents as an effect of different application times of jasmonic acid (JA) in chard seedlings exposed to salt stress were investigated. Endogenous ABA content was increased by JA treatment after NaCl treatment, rather than after JA application before NaCl treatment. JA application after NaCl treatment caused higher ABA content than treatme...

Journal: :Plant physiology 1969
K C Jones

Barley endosperm halves release acid phosphatase in response to several gibberellins and gibberellin precursors. Seed halves incubated with 10(-7)m GA(3) at 29 degrees begin to release phosphatase after 11 hr and release it for another 26 hr in response to GA(3). After 37 hr, the rate of release slows to that of seed halves incubated without GA(3). GA(3) is active at 10(-10)m and maximally acti...

Journal: :Plant physiology 1985
R C Coolbaugh

Potential sites of gibberellin biosynthesis in 10-day-old ;Alaska' pea (Pisum sativum L.) seedlings were investigated using a cell-free ezyme system capable of incorporating [(14)C]-mevalonic acid into ent-kaurene. In peas, ent-kaurene is assumed to be a committed intermediate in the gibberellin biosynthetic pathway. Comparative results from enzyme assays using extracts from shoot tips, leaf bl...

Journal: :Plant physiology 1969
R J Weaver W Shindy W M Kliewer

The effect of exogenous growth regulators on movement of assimilates into flowers and young fruits of ;Black Corinth' grapes was studied. Clusters were treated with growth regulator and after 0.5 hr to 5 days the leaves above the clusters were exposed to (14)CO(2). Control shoots received (14)CO(2) but no growth regulator. At harvest, counting and radioautographic techniques were used to ascert...

Journal: :Plant physiology 1966
J D Mann H Hield K H Yung D Johnson

Two fltnorene-9-carboxylic acid derivatives (fig 1, I and II) have recently been shown to be potent growth regulators in higher plants (1), and have been givein the trivial name, morphactins. The structtural similarity between the morphactins and gibberellic acid (fig 1, III) immediately suggested a common site of action. In fact, Ziegler, et al. (4) have claimed that methyl-morphactin (I) is a...

2018
Wen-Kai Hui Yi Wang Xiao-Yang Chen Mohamed Zaky Zayed Guo-Jiang Wu

Jatropha curcas L. seeds an oilseed plant with great potential for biodiesel production. However, low seed yield, which was limited by its lower female flowers, was a major drawback for its utilization. Our previous study found that the flower number and female-to-male ratio were increased by gibberellin treatment. Here, we compared the transcriptomic profiles of inflorescence meristem at diffe...

Journal: :Fermentation 2022

Gibberellin is an important plant growth regulator that has been widely used in agricultural production with great market prospects. However, the low yield from Gibberella fujikuroi restricts its application. To improve of gibberellin A4 (GA4), response surface methodology was this study to explore effect different types and concentrations vegetable oil precursors on GA4. Based a single factor ...

2015
Hikaru Saito Takaya Oikawa Shin Hamamoto Yasuhiro Ishimaru Miyu Kanamori-Sato Yuko Sasaki-Sekimoto Tomoya Utsumi Jing Chen Yuri Kanno Shinji Masuda Yuji Kamiya Mitsunori Seo Nobuyuki Uozumi Minoru Ueda Hiroyuki Ohta

Plant hormones are transported across cell membranes during various physiological events. Recent identification of abscisic acid and strigolactone transporters suggests that transport of various plant hormones across membranes does not occur by simple diffusion but requires transporter proteins that are strictly regulated during development. Here, we report that a major glucosinolate transporte...

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