Plant developmental biology: Green genes for the 21st century

Meyerowitz, Elliot M.

doi:10.1002/bies.950160905

Cited by 8 publications

(6 citation statements)

References 57 publications

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“…The total of 37 Mb is more than a quarter of the estimated size of the Arabidopsis genome. Since the gene-rich part of the genome is thought to be around 120 Mb, the entire genome should code for up to 25,000 proteins (Meyerowitx, 1999), which agrees well with previous estimates (Gibson and Somerville, 1993;Meyerowitz, 1994;Bevan et al, 1998). Based on the results from chromosomes II and IV, the average gene-density in the Arabidopsis nuclear genome is one gene per 4.5 kb.…”

Section: Features Of the Arabidopsis Genomesupporting

confidence: 88%

“…Arabidopsis thaliana was chosen for genome sequencing primarily due to its highly compact genome (early estimates were 70-100 Mb) and the availability of extensive physical maps for its five chromosomes based on YACs, BACs and P1 clones (Choi et al, 1995;Goodman et al, 1995;Liu et al 1995a;Schmidt et al, 1995;Zachgo et al, 1996, Kotani et al, 1997Schmidt et al, 1997;Mozo et al, 1998Mozo et al, , 1999Sato et al, 1998). The small amount of repetitive intergenic DNA further facilitates sequencing and cloning of genes (Meyerowitz, 1992). The Arabidopsis Genome Initiative (AGI) (Table 1, #7; Bevan et al, 1997), founded in 1996, is a coordinated collaboration of six research consortia in Japan, Europe and the United States.…”

Section: The Arabidopsis Genome Initiativementioning

confidence: 99%

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Arabidopsis Genetics and Functional Genomics in the Post-genome Era

Scheible

Richmond

Wilson

et al.

Regulation of Photosynthesis

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make it possible to generate very large transposon and T-DNA insertion collections. Mutants for any gene can be found in these collections with minimal effort using powerful polymerase chian reaction (PCR) screening procedures or by database searches of sequenced insertion sites. New or improved methods for targeted gene disruption and large-scale gene-silencing will also be useful, particularly for understanding the function of redundant genes. Large-scale surveys of transcript, protein and metabolite levels, and collection of the results in public databases will greatly extend our knowledge of gene-expression, gene-function and regulatory networks, and will facilitate the formulation of an integrated view of the information content and processing that regulates all aspects of plant growth and development.

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Section: Features Of the Arabidopsis Genomesupporting

confidence: 88%

Section: The Arabidopsis Genome Initiativementioning

confidence: 99%

Arabidopsis Genetics and Functional Genomics in the Post-genome Era

Scheible

Richmond

Wilson

et al.

Regulation of Photosynthesis

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“…Arabidopsis is widely accepted as a model system for research in plant developmental biology (Meyerowitz 1994). Arabidopsis is the most advanced system for investigating many plant processes including the molecular genetic basis for seed dormancy and longevity (Bentsink et al 2000;Koornneef et al 2000;Koornneef and Karssen 1994).…”

Section: Arabidopsismentioning

confidence: 99%

Weeds, seeds, and buds—opportunities and systems for dormancy investigations

Foley

2002

Weed Science

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Dormancy is a critical factor for the survival and persistence of weedy species. Contemporary approaches can be used to identify genes that regulate dormancy directly or indirectly to elucidate key mechanisms, signals, and pathways. Several domesticated plant species have been used as model systems to mark quantitative trait loci (QTL) that affect dormancy in seeds and vegetative propagules directly. A few weedy species have also been used to mark QTL and to determine dormancy genes using microarray analysis. Given the number of serious weeds worldwide and the role that dormancy plays in their persistence, developing fundamental knowledge on dormancy is an important step toward developing new strategies for weed management. This paper describes current research and outlines some weeds that might be candidates for dormancy investigations using molecular genetic and genomics approaches. An underlying theme in the selection of weeds for dormancy investigations is their relation to crop species and the ability to adapt existing resources to investigate dormancy in weedy plants.

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“…The recent application of genetics to understanding developmental processes in plants has told us a great deal about the genes that are necessary for the formation of polarity in embryos and organ identity in flowers (5). This approach has also shed light on the factors that regulate cellular patterning and cellular morphogenesis in the epidermis of plants.…”

Section: Introductionmentioning

confidence: 99%

Two ways to skin a plant: The analysis of root and shoot epidermal development in Arabidopsis

Dolan

Roberts

1995

BioEssays

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SummaryThe post-embryonic architecture of higher plants is derived from the activity of two meristems that are formed in the embryo: the shoot meristem and the root meristem. The epidermis of the shoot is derived from the outermost layer of cells covering the shoot meristem through repeated anticlinal divisions. By contrast, the epidermis of the root is derived from an internal ring of cells, located at the centre of the root meristem, by a precise series of both periclinal and anticlinal divisions. Each epidermis has an independent origin. In Arabidopsis the mature shoot epidermis is composed of a small number of cell types: hair cells (trichomes), stomata1 guard cells and other epidermal cells. In shoots, hairs take the form of branched trichomes that are surrounded at their base by a ring of accessory cells in a sheet of epidermal cells. The root epidermis is composed of two cell types: trichoblasts that form root hair cells and atrichoblasts that form non-hair cells. Mutations affecting both the patterning and the morphogenesis of cells in both shoot and root epidermis have recently been described. Most of these mutations affect development in a single epidermis, but at least one, ttg, is Accepted 30 June 1995 involved in development in both epidermal systems.

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Plant developmental biology: Green genes for the 21st century

Cited by 8 publications

References 57 publications

Arabidopsis Genetics and Functional Genomics in the Post-genome Era

Arabidopsis Genetics and Functional Genomics in the Post-genome Era

Weeds, seeds, and buds—opportunities and systems for dormancy investigations

Two ways to skin a plant: The analysis of root and shoot epidermal development in Arabidopsis

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