Arabidopsis as an experimental system The small mustard weed Arabidopsis thaliana (family Brassicaceae) was known to botanists for at least four centuries,and had been used in experimental research for about half a century (reviewed in REF. It has a small, diploid genome that has been completely sequenced since 2000. Plant Physiol. Instead, Arabidopsis has become the most widely studied plant in modern biology despite its absence from the dinner table. The development of Arabidopsis as a model plant ... Arabidopsis thaliana emerged as the model organism of choice for research in plant biology. After stratification at 4 °C for at least 2 days, seedlings are grown in an illuminated growth chamber with 14 h light/10 h dark cycles at 21 °C prior to treatment. Self pollination (hermaphroditic) There are very few mutant lines available for genetic research. Arabidopsis thaliana is a ‘model plant,’ which essentially means that researchers work on it because it is easy to work on.. You can read more about the history of A. thaliana as a model plant in this post.
Arabidopsis thaliana could have easily escaped human scrutiny. Measured by the total number of journal publications, other plants such as maize, soybean, petunia, tomato, pea, and snapdragon, once considered as promising candidates to guide plant research into the future, all lag far behind. To test whether natural variation in Arabidopsis could be used to dissect out the genetic basis of responses to drought stress, we characterised a number of accessions. Paper describing completion of main phase of sequencing the Arabidopsis genome appears in Nature. Seeds of Arabidopsis thaliana ecotype Columbia are germinated on agar plates containing half-strength Murashige and Skoog (MS) salts (Sigma), 1% sucrose, and 0.7% agar, pH 5.7. 2002; 104 (6–7):1173–1184. Land plants Arabidopsis is an Angiosperm / flowering plant. Availability of Affymetrix microarrays allowing the Simultaneous analysis of all known Arabidopsis genes. Have evolved different mechanisms of living as multicellular organisms. Lukowitz W, Gillmor CS, Scheible WR. Bay-0 x Shahdara recombinant inbred line population: a powerful tool for the genetic dissection of complex traits in Arabidopsis.
Baker’s yeast, or Saccharomyces cerevisiae as it is also known, is among the best-studied experimental organisms. Theor Appl Genet. Global analysis of the system components (DNA, RNA, proteins, metabolites) is now possible, although at different analytical depth at present.
It is easy to cultivate Dissecting the genetic basis of such traits is crucial for the improvement of crops and management of diseases. Arabidopsis thaliana is a small flowering plant that is widely used as a model organism in plant biology. 1), before … Plants diverged from animals around 1.5 billion years ago. A. thaliana is widely used in the fields of plant science, genetics and evolution and has helped further our understanding of germination and aspects of plant growth that are important in commercial crops. The utilization of Arabidopsis thaliana as a model system for the study of shoot and root gravitropism has been instrumental in enhancing our understanding of this important and complex plant response to its environment, as discussed in this review.
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