نتایج جستجو برای: elongation zone

تعداد نتایج: 138353  

Journal: :Stress Biology 2022

Abstract This brief article highlights the results of Fu et al. (Proc Natl Acad Sci USA 119:e2204574119, 2022), who recently found that manganese (Mn) deficiency triggers long-lasting multicellular Ca 2+ oscillations in elongation zone (EZ) Arabidopsis roots and revealed a -CPK21/23-NRAMP1 axis as an important mechanism for plant tolerance adaptation to low Mn.

2015
Yi Xu Qian Xu Bingru Huang

Root growth inhibition by water stress may be related to oxidative damages. The objectives of this study were to determine whether exogenous application of ascorbic acid (ASA) could mitigate root growth decline due to water stress and whether ASA effects on root growth could be regulated through activating non-enzymatic or enzymatic antioxidant systems in perennial grass species. Tall fescue (F...

Journal: :Eukaryotic cell 2009
Silvia L Ramos-García Robert W Roberson Michael Freitag Salomón Bartnicki-García Rosa R Mouriño-Pérez

We used confocal microscopy to evaluate nuclear dynamics in mature, growing hyphae of Neurospora crassa whose nuclei expressed histone H1-tagged green fluorescent protein (GFP). In addition to the H1-GFP wild-type (WT) strain, we examined nuclear displacement (passive transport) in four mutants deficient in microtubule-related motor proteins (ro-1, ro-3, kin-1, and a ro-1 kin-1 double mutant). ...

Journal: :Mausam 2022

Agro-meteorological aspects of wheat (Triticum aestivum.L.) at New Delhi have been studied in this paper. A data set six years during the crop growing season between 1985 to 1993 has utilized. The growth period divided into important stages i.e., crown root initiation, tillering, elongation, flowering, grain development and maturity. Water requirement various its growth, water use efficiency, c...

Journal: :Metals 2023

Hybrid manufacturing of titanium alloys by investment casting and laser additive (LAM) combines the advantages both techniques can further reduce cost. In this study, microstructure evolution in bonding zone tensile property hybrid Ti-6Al-4V alloy are carefully investigated. Results show that sample consists LAM zone, heat-affected (HAZ) base zone. A transition (TZ) forms within HAZ close to fu...

Hamid Najafi zarrini Mahsa Mohammad Jani Asrami

There is no functional annotation for the majority of the several hundreds of receptor-like kinases in plants. A direct way of inferring the function of these proteins is to study the phenotype that results from loss of function mutants such as T-DNA mutant lines. In this research a function (phenotype) to At2g37050 gene that encodes a receptor like kinase in Arabidopsis T-DNA line was...

Journal: :Plant physiology 1990
T E Fraser W K Silk T L Rost

Roots growing under low water potential commonly exhibit a marked decrease in growth rate and in diameter. Using median longitudinal sections of fixed maize (Zea mays L. cv WF9 x Mo 17) seedling roots, we investigated the cellular basis for these effects. Cortical cells in the shortened elongation zone of water stressed roots were longer than cortical cells in the comparable location of well-wa...

Journal: :The Plant cell 2006
Junpei Takano Motoko Wada Uwe Ludewig Gabriel Schaaf Nicolaus von Wirén Toru Fujiwara

Boron (B) is essential in plants but often present at low concentrations in the environment. To investigate how plants survive under conditions of B limitation, we conducted a transcriptome analysis and identified NIP5;1, a member of the major intrinsic protein family, as a gene upregulated in B-deficient roots of Arabidopsis thaliana. Promoter-beta-glucuronidase fusions indicated that NIP5;1 i...

2014

Cocoa Ethanolic Extract (CEE) was observed for antibacterial activity against Escherichia coli. CEE at different concentrations in E. coli-seeded Mueller-Hinton agar medium, resulted zone of inhibition after 24 h incubation in 37°C. CEE concentrations at 15.6, 31.25, 62.5, 125, 250, 500 and 1,000 mg/ml, developed annular radius of inhibition 0.4, 1.0, 1.9, 3.3, 4.5, 5.3 and 6.31 mm respectively...

Journal: :Plant physiology 2006
Rosa Elia Figueroa-Balderas Berenice García-Ponce Mario Rocha-Sosa

Regulation of the cytosolic acetyl-coenzyme A carboxylase (ACCase) gene promoter from common bean (Phaseolus vulgaris) was studied in transgenic Arabidopsis (Arabidopsis thaliana) plants using a beta-glucuronidase (GUS) reporter gene fusion (PvACCase::GUS). Under normal growth conditions, GUS was expressed in hydathodes, stipules, trichome bases, flowers, pollen, and embryos. In roots, expressi...

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