International Database for Barley Genes and Barley Genetic Stocks
BGS 81, Glossy sheath 7, gsh7
Stock number: BGS 81
Locus name: Glossy sheath 7
Locus symbol: gsh7
Previous nomenclature and gene symbolization:
Glossy sheath 7 = gs7 (3).
Monofactorial recessive (3).
Located in chromosomes 1H, 2HL or 5H (1); based on segments of the donor parent chromosomes retained in the Bowman backcross-derived line fror gsh7.ae (BW410), possible locations based on SNP markers included 1_0259 to 2_0229 (positions 70.78 to 106.61 cM) in 1H bins 07 to 10, markers, 1_0916 to 2_0681 (positions 187.68 to 247.86 cM) in 2H bins 12 to 15, markers 1_0580 to 1_0955 (positions 54.27 to 69.76 cM) in 5H bins 03 to 04, and markers 2_0367 to 2_1445 (positions 116.66 to 134.85 cM) in 5H bins 07to 08 (1).
The spike, leaf sheath and stem of mutant plants are glossy and bright green in color (wax code - - ++) (3). In early generation backcrosses to Bowman, the glossy sheath 7 segregates headed early and had poor vigor and small spikes. Also, spikes frequently abort after emasculation (2). Plants of the Bowman backcross-derived line for gsh7.ae (BW410) were 2/3 to 3/4 of normal height. Kernels are slightly longer and thinner than those of Bowman, and kernel weights are about 2/3 of normal. Grain yields are less than 10% of normal (2).
Origin of mutant:
An ethyl methanesulfonate induced mutant in Akashinriki (OUJ659, PI 467400) (3).
gsh7.ae (GSHO 1759) in Akashinriki (PI467400, OUM022) (3).
Mutant used for description and seed stocks:
gsh7.ae (GSHO 1759) in Akashinriki; gsh7.ae in Bowman (PI 483237, NGB 22812)*5 (GSHO 2269, BW410, NGB 20643).
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. 2010. Genetic dissection of barley morphology and development. Plant Physiol.155:617-627.
2. Franckowiak, J.D. (Unpublished).
3. Konishi, T. 1973. Genetic analyses of EMS-induced mutants in barley. Barley Genet. Newsl. 3:28-31.
T. Konishi and J.D. Franckowiak. 1997. Barley Genet. Newsl. 26:119.
J.D. Franckowiak. 2010. Barley Genet. Newsl. 40:55.
J.D. Franckowiak. 2018. Barley Genet. Newsl. 48:83.