Nitrogen metabolism and gas-exchange parameters associated with zinc stress in tobacco expressing an ipt gene for cytokinin synthesis

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41210%2F14%3A63670" target="_blank" >RIV/60460709:41210/14:63670 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61389030:_____/14:00435451

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Nitrogen metabolism and gas-exchange parameters associated with zinc stress in tobacco expressing an ipt gene for cytokinin synthesis

Popis výsledku v původním jazyce

Increased plant cytokinin (CK) content through transformation with an isopentyl transferase (ipt) gene has been associated with improved plant stress tolerance. The impact of Zn on gas-exchange parameters and N utilization by plants resulted in changes of free amino acids concentrations (glutamic acid, glutamine, asparagine, aspartate, glycine, serine, cystein) and differed for transformed and non-transformed tobacco plants. For pot experiments, tobacco plants transformed with a construct consisting ofSAG12 promoter fused with ipt gene for cytokinin synthesis (SAG plants) and as a control its wild type (WT plants) were used. SAG plants had improved Zn tolerance compared with WT plants. The enhanced Zn tolerance of SAG plants was associated with the maintenance of AAs accumulation and with lower declines of photosynthetic and transpiration rates. In comparison to WT plants, SAG plants exposed to the highest Zn concentration accumulated lower concentration of asparagine.

Název v anglickém jazyce

Nitrogen metabolism and gas-exchange parameters associated with zinc stress in tobacco expressing an ipt gene for cytokinin synthesis

Popis výsledku anglicky

Increased plant cytokinin (CK) content through transformation with an isopentyl transferase (ipt) gene has been associated with improved plant stress tolerance. The impact of Zn on gas-exchange parameters and N utilization by plants resulted in changes of free amino acids concentrations (glutamic acid, glutamine, asparagine, aspartate, glycine, serine, cystein) and differed for transformed and non-transformed tobacco plants. For pot experiments, tobacco plants transformed with a construct consisting ofSAG12 promoter fused with ipt gene for cytokinin synthesis (SAG plants) and as a control its wild type (WT plants) were used. SAG plants had improved Zn tolerance compared with WT plants. The enhanced Zn tolerance of SAG plants was associated with the maintenance of AAs accumulation and with lower declines of photosynthetic and transpiration rates. In comparison to WT plants, SAG plants exposed to the highest Zn concentration accumulated lower concentration of asparagine.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

CE - Biochemie

OECD FORD obor

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Projekt

<a href="/cs/project/GAP501%2F11%2F1239" target="_blank" >GAP501/11/1239: Nitrační stres v průběhu přirozené a stresem indukované senescence</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

JOURNAL OF PLANT PHYSIOLOGY

ISSN

0176-1617

e-ISSN

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Svazek periodika

171

Číslo periodika v rámci svazku

7

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

6

Strana od-do

559-564

Kód UT WoS článku

000334655500011

EID výsledku v databázi Scopus

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