Summary
Segregation of 18 marker genes was monitored in selfed progeny of a Lens culinaris × L. ervoides hybrid; five linkage groups were mapped, one of which contained a reciprocal translocation break-point that differentiates between the parents. Four markers were found to be linked to the translocation break-point: Aco-1 and Pgm-2 on one side and Gs and Got-2 on the other. The gene pairs on both sides of the translocation are not linked in L. culinaris or in L. orientalis. The L. ervoides gene order was also found in L. odemensis but with significantly reduced map distances. Analysis of monogenic segregations in a number of Lens inter-specific crosses revealed some consistent patterns of deviations from the expected Mendelian ratios. The factors responsible for these unequal segregations, genotypic effects on recombination frequencies, negative interference, and the possible ancient origin of the translocation are discussed.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Allard RW (1956) Formulas and tables to facilitate the calculation of recombination values in heredity. Hilgardia 24:235–278
Figueiras AM, Gonzalez-Jean MT, Salinas J, Benito C (1985) Association of isozymes with a reciprocal translocation in cultivated rye (Secale sereale L.). Genetics 109:177–193
Galili G, Feldman M (1983) Genetic control of endosperm proteins in wheat. 1. The use of high resolution one-dimensional gel electrophoresis for the allocation of genes coding for endosperm protein subunits in the common wheat cultivar “Chinese Spring”. Theor Appl Genet 64:97–101
Goshen D, Ladizinsky G, Muehlbauer FJ, Muehlba J (1982) Restoration of meiotic regularity and fertility among derivatives of Lens culinaris × L. nigricans hybrids. Euphytica 31:795–799
Hearne EM, Huskins CL (1935) Chromosome pairing in Melanoplus femur-rubrum. Cytologia 6:123–147
Huskins CL, Newcombe HB (1941) An analysis of chiasma pairs showing chromatid interference in Trillium erectum L. Genetics 26:101–127
Kaul MLH, Murthy TGK (1985) Mutant genes affecting higher plant meiosis. Theor Appl Genet 70:449–466
Kayano H (1959) Chiasma studies in structural hybrids. 1. Heteromorphic bivalent in Lillium callosum. Nucleus 2:47–50
Kayano H (1960) Chiasma studies in structural hybrids. 4. Crossing-over in Disporum sessile. Cytologia 25:468–475
Kleese RA, Phillips RL (1972) Electrophoretic mutants as useful markers for chromosome aberrations. Genetics 72:537–540
Ladizinsky G (1979a) The origin of lentil and its wild gene-pool. Euphytica 28:179–187
Ladizinsky G (1979b) The genetics of several morphological traits in lentil. Heredity 70:135–137
Ladizinsky G, Braun D, Goshen D, Muehlbauer FJ (1984) The biological species in the genus Lens. Bot Gaz 145:253–261
Ladizinsky G, Cohen D, Muehlbauer FJ (1985) Hybridization in the genus Lens by means of embryo culture. Theor Appl Genet 70:97–101
Mather K (1951) The measurement of linkage in heredity, 2nd edn. Methuen, London
Pinkas R, Zamir D, Ladizinsky G (1985) Allozyme divergence and evolution in the genus Lens. Plant Syst Evol 151:131–140
Sacks JM, Sadanaga K (1984) Linkage between the male sterility gene (Ms-1) and a translocation break-point in the soybean, Glycine max. Can J Genet Cytol 26:401–404
Stern H, Hotta Y (1978) Regulatory mechanisms in meiotic crossing-over. Annu Rev Plant Physiol 29:415–436
Sybenga J (1975) Meiotic configurations. Springer, Berlin Heidelberg New York
Sybenga J (1980) Combined genetic and cytological analysis of positive and negative interference in an interchange heterozygote of rye (Secale sereale L.). Heredity 44:83–92
Tanksley SD (1979) Linkage, chromosomal association and expression of Adh-1 and Pgm-2 in tomato. Biochem Genet 17:1159–1167
Tanksley SD (1984) Linkage relationships and chromosomal locations of enzyme coding genes in pepper, Capsicum annuum. Chromosoma 89:352–360
Vallejos CE (1983) Enzyme activity staining. In: Tanksley SD, Orton TJ (eds) Isozymes in plant genetics and breeding. Elsevier, Amsterdam, pp 469–516
Zamir D, Ladizinsky G (1984) Genetics of allozyme variants and linkage groups in lentil. Euphytica 33:329–336
Zamir D, Tadmor Y (1986) Unequal segregation of nuclear genes in plants. Bot Gaz 147:355–358
Author information
Authors and Affiliations
Additional information
Communicated by H. F.Linskens
Rights and permissions
About this article
Cite this article
Tadmor, Y., Zamir, D. & Ladizinsky, G. Genetic mapping of an ancient translocation in the genus Lens . Theoret. Appl. Genetics 73, 883–892 (1987). https://doi.org/10.1007/BF00289394
Received:
Accepted:
Issue Date:
DOI: https://doi.org/10.1007/BF00289394