International Database for Barley Genes and Barley Genetic Stocks
BGS 471, Male sterile genetic 34, msg34
Stock number: BGS 471
Locus name: Male sterile genetic 34
Locus symbol: msg34
Previous nomenclature and gene symbolization:
Male sterile av = msg,,av (4).
Male sterile = 63msy1 (4).
Inheritance:
Monofactorial recessive (4, 7, 8).
Located in chromosome 6HS (2, 3); msg34.av is associated with SNP markers 1_0775 to 1_0744 (positions 26.42 to 39.34 cM) in 1H bins 03 to 05 in a homozygous plant from Bowman backcross-derived line BW570 (1). Previously recombination between msg34.av and the rob1 (orange lemma 1) locus was not observed (2).
Description:
Selfing - none (4).
Outcrossing - complete female fertility (4).
Stamens - anthers rudimentary, with no stomium or filament elongation (4).
Heterozygotes show reduced fertility (75 to 85% seed set), and male sterile plants always have a Long glume awn 1 (Lga1) trait from Paragon. Thus, the msg34.av mutant may involve a translocation between chromosomes 6HS and 7HS (3).
No images
Origin of mutant:
A spontaneous mutant in Paragon (CIho 13649) (8).
Mutational events:
msg34.av (MSS314, GSHO 2386) in Paragon (CIho 13649) (5, 6).
Mutant used for description and seed stocks:
msg34.av (GSHO 2386) in Paragon; msg34.av in Bowman (PI 483237)*7 (GSHO 2070, BW570, NGB 24134).
References:
1. Druka, A., J. Franckowiak, U. Lundqvist, N. Bonar, J. Alexander, K. Houston, S. Radovic, F. Shahinnia, V. Vendramin, M. Morgante, N. Stein, and R. Waugh. 2011. Genetic dissection of barley morphology and development. Plant Physiol. 155:617-627.
2. Franckowiak, J.D. 1991. Association of male sterility genes with a specific chromosome using multiple marker stocks. Barley Genet. Newsl. 20:31-36.
3. Franckowiak, J.D. (Unpublished).
4. Hockett, E.A. 1972. Coordinator's report on the genetic male sterile barley collection. Barley Genet. Newsl. 2:139-144.
5. Hockett, E.A. 1984. Coordinator's report. The genetic male sterile barley collection. Barley Genet. Newsl. 14:70-75.
6. Hockett, E.A., and D.A. Reid. 1981. Spring and winter genetic male-sterile barley stocks. Crop Sci. 21:655-659.
7. Ramage, R.T., and R.F. Eslick. 1975. Translocation linkage tests – T2-7a x male sterile genes. Barley Genet. Newsl. 5:46-48.
8. Sharma, R.K. 1970. Studies of sterility mutants in spring barley (Hordeum vulgare L.). Ph.D. Thesis. Univ. of Guelph, Ontario.
Prepared:
E.A. Hockett. 1986. Barley Genet. Newsl. 16:54.
Revised:
E.A. Hockett. 1991. Barley Genet. Newsl. 20:101.
J.D. Franckowiak. 1997. Barley Genet. Newsl. 26:418.
J.D. Franckowiak. 2015. Barley Genet. Newsl. 45:181-182.
