BGS 610, Proanthocyanidin-free 30, ant30

Locus number: BGS 610
Locus name: Proanthocyanidin-free 30
Locus symbol: ant30

Previous nomenclature and symbolization:

None.
Inheritance:
Monofactorial recessive (2, 3).
Location is unknown.
Description:
No anthocyanin pigmentation is observed in any vegetative plant parts. The leaves of the mutant plants show drastically reduced amounts of flavonoids, an increased UV-B sensitivity, and the chalcone-glucoside isosalipurposide is accumulated. The mutant plants are extremely sensitive to powdery mildew. The ant30 gene most likely codes for the chalcone isomerase enzyme, which catalyzes the conversion of chalcones into flavanones (3).
Origin of mutant:
A sodium azide induced mutant in Gunhild (PI 464655, NGB 13690) (1).
Mutational events:
ant30.245 in Gunhild (2, 3); ant30.272 (NGB 13675) in VP 116 (NGB 13691) (2, 3); ant30.287 in Hege 550/75 (NGB 13692) (2, 3); ant30.310 (NGB 13677) in Ca 33787 (NGB 13693) (2, 3).
Mutant used for description and seed stock:
ant 30.245 in Gunhild (NGB 13674); ant30.287 in Hege 550/75 (NGB 13676).
References:
  1. Jende-Strid, B. 1978. Mutation frequencies obtained after sodium azide treatments in different barley varieties. BGN 8:55-57.
  2. Jende-Strid, B. 1997. Coordinator's report: Anthocyanin genes. BGN 28:103.
  3. Reuber, S., B. Jende-Strid, V. Wray, and G. Weissenböck. 1997. Accumulation of the chalcone isosalipurposide in primary leaves of barley indicates a defective chalcone isomerase. Phys. Plant. 101:827-832.

Prepared:

B. Jende-Strid. 1998. BGN 29:99
Revised:

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