Isozyme variation in Larrea ameghinoi and Larrea nitida (Zygophyllaceae): Genetic diversity and its bearing on their relationship

Electrophoretic variants for 11 isozyme systems were examined by horizontal polyacrilamide gel electrophoresis in natural populations of Larrea ameghinoi and L. nitida (section Larrea). The two taxa presented fixed alternative allelic variants at loci Adh-1, Gdh-1 and Mdh-1. Genetic variability esti...

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Autor principal: Lia, V.
Otros Autores: Comas, C.I, Cortés, M.C, Hunziker, J.H
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 1999
Acceso en línea:Registro en Scopus
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030 |a GENEA 
100 1 |a Lia, V. 
245 1 0 |a Isozyme variation in Larrea ameghinoi and Larrea nitida (Zygophyllaceae): Genetic diversity and its bearing on their relationship 
260 |c 1999 
270 1 0 |m Lia, V.; Departamento de Ciencias Biologicas, Fac. Ciencias Exactas y Naturales, Pabellon II, Ciudad Universitaria, Buenos Aires (1428), Argentina; email: verolia@bg.fcen.uba.ar 
506 |2 openaire  |e Política editorial 
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504 |a Cortés, M.C., (1987) Estudio de la Variación Alozímica en el Género Larrea, , Tesis Doctoral. Facultad de Cs. Exactas y Naturales, Universidad de Buenos Aires, 269 pp 
504 |a Cortés, M.C., Hunziker, J.H., Isozymes in Larrea divaricata and Larrea tridentata (Zygophyllaceae): A study of two amphitropical vicariants and autopolyploidy (1997) Genetica, 101, pp. 115-124 
504 |a Crawford, D.J., Enzyme electrophoresis and plant systematics (1990) Isozymes in Plant Biology, pp. 146-164. , edited by D.E. Soltis and P.S. Soltis. Chapman and Hall, London 
504 |a Crawford, D.J., Bayer, R.J., Allozyme divergence in Coreopsis ciclocarpa (Compositae) (1981) Syst. Bot., 6, pp. 373-379 
504 |a Crawford, D.J., Landolt, E., Allozyme studies in Spirodela (Lemnaceae): Variation among conspecific clones and divergence among species (1993) Syst. Bot., 18, pp. 389-394 
504 |a Crawford, D.J., Landolt, E., Les, D.H., An allozyme study of two sibling species of Lemna (Lemnaceae) with comments on their morphology, ecology and distribution (1996) Bull. Torrey Bot. Club., 123, pp. 1-6 
504 |a Ezcurra, E., Montaña, C., Arizaga, S., Architecture, light interception and distribution of Larrea species in the Monte desert, Argentina (1991) Ecology, 72, pp. 23-24 
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504 |a Hunziker, J.H., Palacios, R.A., Soriano, A., Hibridación natural en especies sudamericanas de Larrea (Zygophyllaceae) (1969) Kurtziana, 5, pp. 55-66 
504 |a Hunziker, J.H., Palacios, R.A., Poggio, L., Naranjo, C.A., Yang, T.W., Geographic distribution, morphology, hybridization, cytogenetics and evolution (1977) US/IBP Synthesis Series, 6, pp. 10-47. , Creosote Bush. Biology and Chemistry of Larrea in New World deserts, edited by T.J. Mabry, J.H. Hunziker and D.R. Difeo. Dowden, Hutchinson and Ross, Inc 
504 |a Hunziker, J.H., Palacios, R.A., De Valesi, A.G., Poggio, L., Hybridization in Larrea (Zygophyllaceae): A morphological, cytogenetic, and chemosystematic study (1978) Boletín Acad. Nac. Ciencias, Córdoba, 52, pp. 281-314 
504 |a Jeffries, R.L., Gottlieb, L.D., Genetic differentiation of the macrospecies Salicornia europaea (sensu stricto) and S. ramosissima (1982) J. Woods. New Phytol., 92, pp. 123-129 
504 |a Manchenko, G.P., (1994) Handbook of Detection of Enzymes on Electrophoretic Gels, , CRC Press Inc 
504 |a Nei, M., Estimation of average heterozygosity and genetic distance from a small number of individuals (1978) Genetics, 89, pp. 583-590 
504 |a Palacios, R.A., Hunziker, J.H., Observaciones sobre la taxonomía del género Larrea (Zygophyllaceae) (1972) Darwiniana, 17, pp. 473-476 
504 |a Panetta, F.D., Carstairs, S.A., Isozymic discrimination of tropical Australian populations of mesquite (Prosopis spp.): Implications for biological control (1989) Weed Res., 29, pp. 157-165 
504 |a Poulik, M.D., Starch gel electrophoresis in a discontinuous system of buffers (1957) Nature, 180, pp. 1477-1479 
504 |a Ruiz Leal, A., Rehabilitación de Larrea simulons Sandwith (Zygophyllaceae) (1970) Boletin de la Sociedad Argentina de Botánica, 13, pp. 182-187 
504 |a Sandwith, N.Y., New species from the Andes of Argentina (1927) Bull. Misc. Inform., 1, pp. 174-178. , Royal Bot. Gard., Kew 
504 |a Scandalios, J.G., Genetic control of multiple molecular forms of isozymes in plants: A review (1969) Biochem. Genet., 3, pp. 37-79 
504 |a Schaal, B.A., Anderson, W.W., (1974) An Outline of Techniques for Starch Gel Electrophoresis of Enzymes from the American Oyster Crassostrea Virginica Gmelin, , Department of Zoology. Univ. Georgia, Athens, Georgia 
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504 |a Swofford, D.L., Selander, R.B., Biosys-1: A FORTRAN program for the comprehensive analysis of electrophoretic data in population genetics and systematics (1981) J. Heredity, 72, pp. 281-283 
504 |a Thorpe, J.P., The molecular clock hypothesis: Biochemical evolution, genetic differentiation, and systematics (1982) Ann. Rev. Ecol. Syst., 13, pp. 139-168 
504 |a Wendel, J.F., Weeden, N.F., Visualization and interpretation of plant isozymes (1990) Isozymes in Plant Biology, pp. 5-45. , edited by D.E. Soltis and P.S. Soltis. Chapman and Hall, London 
504 |a Wright, S., Evolution in Mendelian populations (1931) Genetics, 16, pp. 97-159 
504 |a Wright, S., The interpretation of population structure by F-statistics with special regard to systems of mating (1965) Evolution, 19, pp. 395-420 
504 |a Wright, S., (1969) Evolution and the Genetics of Populations. Vol. 2: The Theory of Gene Frequencies, 2. , University of Chicago Press, Chicago 
504 |a Wright, S., (1978) Evolution and the Genetics of Populations. Vol. 4: Variability Within and among Natural Populations, 4. , University of Chicago Press. Chicago 
504 |a Yang, T.W., Hunziker, J.H., Poggio, L., Naranjo, C.A., Hybridization between South American jarilla and North American diploid creosote bush (Larrea Cav., Zygophyllaceae) (1977) Plant Syst. Evol., 126, pp. 331-346 
520 3 |a Electrophoretic variants for 11 isozyme systems were examined by horizontal polyacrilamide gel electrophoresis in natural populations of Larrea ameghinoi and L. nitida (section Larrea). The two taxa presented fixed alternative allelic variants at loci Adh-1, Gdh-1 and Mdh-1. Genetic variability estimates showed no statistically significant differences among populations of section Larrea (H(e): 0.097-0.167). However, these values were significantly lower than those reported for species of section Bifolium (L. divaricata, diploid L. tridentata) in a previous contribution (H(e): 0.17-0.29). Positive and highly significant Wright's fixation indices are in agreement with higher amounts of inbreeding for L. nitida and L. ameghinoi, as suggested on the basis of floral morphology by previous authors. Moreover, the higher levels of genetic differentiation obtained for conspecific populations of section Larrea as compared to those of section Bifolium are also consistent with these observations. Nei's genetic identity values obtained for sympatric (I = 0.80) and allopatric (I = 0.63-0.73) L. ameghinoi - L. nitida population pairs are concordant with those expected for different, but closely related congeneric species.  |l eng 
536 |a Detalles de la financiación: Universidad de Buenos Aires 
536 |a Detalles de la financiación: Fundación Antorchas 
536 |a Detalles de la financiación: National Geographic Society 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas 
536 |a Detalles de la financiación: Several grants by the Consejo Nacional de Investiga-ciones Científicas y Técnicas, Argentina, the University of Buenos Aires and the National Geographic Society are gratefully acknowledged. Veronica V. Lia enjoyed a scholarship from the Fundación Antorchas, whose support is acknowledged. 
593 |a Depto. de Ciencias Biológicas, Fac. de Ciencias Exactas y Naturales, Ciudad Universitaria, Buenos Aires (1428), Argentina 
593 |a Calle 20 Nro. 520, Balcarce (7620), Argentina 
593 |a Inst. de Botánica Darwinion, C.C. 22, San Isidro (1642), Argentina 
690 1 0 |a GENETIC DIVERSITY 
690 1 0 |a ISOZYMES 
690 1 0 |a LARREA AMEGHINOI 
690 1 0 |a LARREA NITIDA 
690 1 0 |a TAXONOMIC STATUS 
690 1 0 |a LARREA AMEGHINOI 
690 1 0 |a LARREA DIVARICATA 
690 1 0 |a LARREA NITIDA 
690 1 0 |a LARREA TRIDENTATA 
700 1 |a Comas, C.I. 
700 1 |a Cortés, M.C. 
700 1 |a Hunziker, J.H. 
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