ArticleMolecular & general genetics : MGG1996
Characterisation of a new allele of pale cress and its role in greening in Arabidopsis thaliana.
Article in Molecular & general genetics : MGG, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- gigantea suppresses immutans variegation by interactions with cytokinin and gibberellin signaling pathways.Plant physiology · 2014Article
- Transcriptional coordination between leaf cell differentiation and chloroplast development established by TCP20 and the subgroup Ib bHLH transcription factors.Plant molecular biology · 2014Article
- Chloroplast ribosome release factor 1 (AtcpRF1) is essential for chloroplast development.Plant molecular biology · 2007Article
- The SCABRA3 nuclear gene encodes the plastid RpoTp RNA polymerase, which is required for chloroplast biogenesis and mesophyll cell proliferation in Arabidopsis.Plant physiology · 2006Article
- The peroxisome deficient Arabidopsis mutant sse1 exhibits impaired fatty acid synthesis.Plant physiology · 2004Article
- Arabidopsis variegation mutants.The arabidopsis book · 2002Article
- The Arabidopsis immutans mutation affects plastid differentiation and the morphogenesis of white and green sectors in variegated plants.Plant physiology · 2001Article
Corrections and comments
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Authors and funding
7 authors.
Funding
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Abstract
A recessive mutant with white leaves was identified in a screen of a population of T-DNA-tagged Arabidopsis thaliana plants. The mutation is lethal, but plants develop almost to maturity under sterile conditions. The white areas in leaves are devoid of developed chloroplasts, but the plants frequently develop green sectors which contain green chloroplasts. Molecular characterisation of the affected gene revealed that the mutant is allelic to pale cress (pac), a recently described mutation, and was therefore named pac-2. Sequencing of cDNAs and the genomic region revealed several noteworthy features of this genetic locus. In pac-2 the T-DNA had inserted in the region of the promoter and abolished transcription of the PAC gene completely. Cytokinin induced greening in mature, white homozygous pac-2 plants, and therefore is likely to be responsible for the greening observed in callus and shoots induced on roots from such plants. However, the PAC transcript was found to be absent in both white leaves and green callus. Thus, since cytokinin induced greening in the absence of PAC RNA this plant hormone appears to be able to bypass PAC function.
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