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2 edition of Genetic interactions of ABA and GA responses in Arabidopsis thaliana found in the catalog.

Genetic interactions of ABA and GA responses in Arabidopsis thaliana

Sarah Elizabeth Cooney

Genetic interactions of ABA and GA responses in Arabidopsis thaliana

by Sarah Elizabeth Cooney

  • 221 Want to read
  • 8 Currently reading

Published .
Written in English


The Physical Object
Pagination1 v.
ID Numbers
Open LibraryOL15464358M
ISBN 100612191044

  ABA, SA, JA, CK, GA and auxin were profiled in A. thaliana leaves using liquid chromatography-mass spectrometry (LC-MS) at different time points of 2, 8 and 24 h post combined stress treatment. We Cited by: Two new Arabidopsis loci involved in ABA response, ABA‐insensitive (ABI)4 and ABI5, have been identified by abi4 and abi5 mutants were characterized in terms of ABA sensitivity of seed germination, dormancy, seed‐specific gene expression and stomatal regulation. Their phenotypes are similar to mutations in ABI3, which is thought to encode a seed‐specific transcriptional Cited by:

S. Gazzarrini, P. McCourtGenetic interactions between ABA, ethylene and sugar signaling pathways Curr Opin Plant Biol, 4 (), pp. Concise review of genetic interactions, including discussion of the physiological relevance of observed by:   A forward genetic approach in Arabidopsis thaliana identifies a RING-type ubiquitin ligase as a novel determinant of seed longevity. Plant Sci. , – (). CASCited by:

  Specifically, we characterize the effects of, and genetic variation for, seed-coat (including endosperm) constraints and permeability as well as sensitivity to the phytohormones GA and ABA. Arabidopsis thaliana is an appropriate species for addressing the genetic basis of natural variation in germination, both because of its genetic Cited by: Arabidopsis Thaliana, a Model Organism for Molecular Genetic Studies in Plants: Arabidopsis thaliana (arabidopsis, Photo A). Unlike the fruit fly adopted as a model at the beginning of the twentieth century, arabidopsis was not widely accepted as a model until relatively Size: 7MB.


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Genetic interactions of ABA and GA responses in Arabidopsis thaliana by Sarah Elizabeth Cooney Download PDF EPUB FB2

Genetic and physiological studies have shown that the Arabidopsis thaliana abscisic acid-insensitive (ABI) loci interact to regulate seed-specific and/or ABA-inducible gene expression. Arabidopsis thaliana, the thale cress, mouse-ear cress or arabidopsis, is a small flowering plant native to Eurasia and Africa.

thaliana is considered a weed; it is found by roadsides and in disturbed land. A winter annual with a relatively short life cycle, A. thaliana is a popular model organism in plant biology and genetics.

For a complex multicellular eukaryote, A. thaliana has a Family: Brassicaceae. Genetic and Genomic Analysis of Rhizoctonia solani Interactions with Arabidopsis; Evidence of Resistance Mediated through NADPH Oxidases Article (PDF Available) in PLoS ONE 8(2):e.

Monogenic mutants of the early ecotype Landsberg erecta were selected on the basis of late flowering under long day (LD) conditions after treatment with ethyl methanesulphonate or irradiation. In addition to later flowering the number of rosette and cauline leaves is proportionally higher in all mutants, although the correlation coefficient between the two parameters is not the same for all Cited by: Heterosis is an important phenomenon in agriculture.

However, heterosis often greatly varies among hybrids and among traits. To investigate heterosis across a large number of traits and numerous genotypes, we evaluated 12 life history traits on parents and hybrids derived from five Arabidopsis thaliana ecotypes (Col, Ler-0, Cvi, Ws, and C24) by using a complete diallel analysis containing 20 Cited by: Collectively, genetic and transcriptome analyses reveal the interactions between ABA and GA by coordinating multiple pathways in the control of leaf growth.

Materials and methods Plant materials and growth conditions. The mutants and transgenic lines all had a background of Col-0 accession of Arabidopsis by: 2.

Forward genetic screens in Arabidopsis thaliana have identified mutants with misregulated or spontaneous cell death. These mutants, called lesion mimic mutants (LMMs), have altered cell death phenotypes, which are usually accompanied by altered responses to pathogen infection [ 11, 12 ].Cited by:   Arabidopsis accessions differ largely in their seed dormancy behavior.

To understand the genetic basis of this intraspecific variation we analyzed two accessions: the laboratory strain Landsberg erecta (L er) with low dormancy and the strong-dormancy accession Cape Verde Islands (Cvi).

We used a quantitative trait loci (QTL) mapping approach to identify loci affecting the after-ripening Cited by:   Abscisic acid (ABA) and gibberellin (GA) are two antagonistic phytohormones that regulate seed germination in response to biotic and abiotic environmental stresses.

We demonstrate here that MOTHER OF FT AND TFL1 (MFT), which encodes a phosphatidylethanolamine-binding protein, regulates seed germination via the ABA and GA signaling pathways in Arabidopsis by: In addition, Arabidopsis can easily be trans-formed by Agrobacterium-mediated gene transfer (BOX 1), which is a prerequisite for many molecular genetic experiments.

The advantages of using Arabidopsis in such experiments have been reviewed extensively6–gh Arabidopsis had been used for classical genetic studies for a long time, its. aba deficient 1, aba1, arabidopsis thaliana aba deficient 1, arabidopsis thaliana zeaxanthin epoxidase, ataba1, atzep, ibs3, impaired in baba-induced sterility 3, los6, low expression of osmotic stress-responsive genes 6, non-photochemical quenching 2, npq2, zeaxanthin epoxidase, zep.

Soil salinity is one of the most significant abiotic stresses limiting plant growth. The ability of plant cells to adapt and survive under salt stress conditions involves triggering a network of signaling events including hormones such as abscisic acid (ABA) known to regulate many important aspects of growth and development.

ABA is also known to play a critical role in stress responses such as Cited by: experiments with Arabidopsis thaliana. The model is by and large consistent with existing evidence, and has predicted the results of a number of genetic and molecular experiments that have been recently per-formed.

Key words: Arabidopsis thaliana, pattern formation, floral File Size: 4MB. The pathway initiated by GLC activates the AtHXK1/GIN2 complex and can also interact with a AtHXK1 independent pathway.

The AtHXK1/GIN2 complex functions to activate ABA2/ABA3 protein complex, also regulated by stress, to catalyze production of abscisic acid, a compound that both directly and indirectly promotes seed development, but inhibits germination, cotyledon greening, expansion, shoot.

GmWRKY16 Enhances Drought and Salt Tolerance Through an ABA-Mediated Pathway in Arabidopsis thaliana FRONT PLANT SCI AT1G AT1G AT2G AT2G AT2G AT2G AT3G AT3G AT4G AT5G AT5G AT5G AT5G AT5G AT5G AT5G ANALYSES OF ABA RESPONSES GENES IN ARABIDOPSIS THALIANA sos5 MUTANT UNDER NaCI STRESS Tuba ACET Gümüşhane University, Engineering and Applied Sciences Faculty, Department of Genetic and Bioengineering, Gümüşhane- TURKEY [email protected] Abstract: Abscisic acid (ABA) is an important phytohormone that regulates a lot of.

Perfect timing of germination is required to encounter optimal conditions for plant survival and is the result of a complex interaction between molecular processes, seed characteristics, and environmental cues.

To detangle these processes, we made use of natural genetic variation present in an Arabidopsis (Arabidopsis thaliana) Bayreuth × Shahdara recombinant inbred line population.

A genetic link between cold responses and flowering time through FVE in Arabidopsis thaliana Hyoun-Joung Kim 1,5, Youbong Hyun 2,5, Jin-Young Park 1,3,5, Mi-Jin Park 1, Mi-Kyung Park, Myoung Duck Kim, Hye-Joung Kim 1, Mi Hyun Lee, Jihyun Moon 2, Ilha Lee 2,4 & Jungmook Kim 1,3 NATURE GENETICS VOLUME 36 | NUMBER 2 | FEBRUARY acg1 WT.

NATURALLY OCCURRING GENETIC VARIATION IN ARABIDOPSIS THALIANA Maarten Koornneef, Carlos Alonso-Blanco, and Dick Vreugdenhil Annual Review of Plant Biology Embryonic Patterning in Arabidopsis thaliana Pablo D.

Jenik, C. Stewart Gillmor, and Wolfgang Lukowitz Annual Review of Cell and Developmental Biology ARABIDOPSIS AS A GENETIC TOOL G. Redei. Abscisic acid (ABA) and stress response from late embryonic growth through early seedling development is regulated by a signaling network that includes the Arabidopsis ABA-insensitive (ABI)5 gene, which encodes a basic leucine zipper transcription factor.

We have characterized genetic, developmental, and environmental regulation of ABI5 by:. During the last 8 to 10 years, Arabidopsis thaliana has become universally recognized as a model plant for such studies.

Although it is a non-commercial member of the mustard family, it is favored among basic scientists because it develops, reproduces, and responds to stress and disease in much the same way as many crop plants.Background - Genetic interactions between phytohormones in the control of flowering time in Arabidopsis thaliana have not been extensively studied.

Three phytohormones have been individually connected to the floral-timing program. The inductive function of gibberellins (GAs) is the most documented. Abscisic acid (ABA) has been demonstrated to delay by: From Arabidopsis thaliana to Genetic Engineering for Enhanced Phytoextraction of Soil Heavy Metals.

Pp. (10) David W.M. Leung. Abstract. Soils contaminated with toxic levels of heavy metals present serious public health hazards. A potentially green, environmentally friendly and sustainable technology is phytoextraction of soil heavy metals.