Genetic variability in populations of sweet corn, common corn and teosinte
The maize (Zea mays L. ssp. mays) has several related species, called teosinte, which are distributed in various subspecies of Zea and other genera. Among the different types of corn, sweet corn shows a great potential for human food. This type was originated from mutations, which increased the amou...
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| Published in | Crop breeding and applied biotechnology Vol. 11; no. 1; pp. 64 - 69 |
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| Format | Journal Article |
| Language | English Portuguese |
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Vicosa
Crop Breeding and Applied Biotechnology
01.03.2011
Brazilian Society of Plant Breeding |
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| Abstract | The maize (Zea mays L. ssp. mays) has several related species, called teosinte, which are distributed in various subspecies of Zea and other genera. Among the different types of corn, sweet corn shows a great potential for human food. This type was originated from mutations, which increased the amount of polysaccharide in the endosperm. In Brazil there are populations of sweet corn, common maize and teosinte, however, little is known about their genetic variability. Hence, the aim of this present paper was to analyze the genetic variability in two populations of sweet corn (BR 400 and BR 402), two common corn (Pampa and Suwan) and teosinte, using microsatellite markers. The results showed a low intra-population genetic variability in populations of maize, and high variability for the population of teosinte, suggesting that the maize populations may have limitations in future cycles of breeding.
O milho (Zea mays L. ssp. mays) possui diversas espécies relacionadas, chamadas teosinto, que estão distribuídas em várias subespécies de Zea e em diversos outros gêneros. Entre os tipos de milho, o milho doce apresenta um grande potencial para consumo in natura, sendo originário de mutações que aumentam o teor de polissacarídeo no endosperma. No Brasil existem populações de milho doce, comum e teosinto, cujo nível de variabilidade genética não é conhecido. O objetivo desse trabalho foi analisar a variabilidade genética em duas populações de milho doce (BR 400 e BR 402), duas de milho comum (Pampa e Suwan) e uma de teosinto, usando marcadores microssatélites. Os resultados mostraram baixa variabilidade genética intrapopulacional nas populações de milho, e relativamente alta para a população de teosinto, sugindo que essas populações de milho podem apresentar limitações em futuros ciclos de melhoramento genético. |
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| AbstractList | The maize (Zea mays L. ssp. mays) has several related species, called teosinte, which are distributed in varioussubspecies of Zea and other genera. Among the different types of corn, sweet corn shows a great potential for human food. This typewas originated from mutations, which increased the amount of polysaccharide in the endosperm. In Brazil there are populations ofsweet corn, common maize and teosinte, however, little is known about their genetic variability. Hence, the aim of this present paperwas to analyze the genetic variability in two populations of sweet corn (BR 400 and BR 402), two common corn (Pampa and Suwan)and teosinte, using microsatellite markers. The results showed a low intra-population genetic variability in populations of maize,and high variability for the population of teosinte, suggesting that the maize populations may have limitations in future cycles ofbreeding. The maize (Zea mays L. ssp. mays) has several related species, called teosinte, which are distributed in various subspecies of Zea and other genera. Among the different types of corn, sweet corn shows a great potential for human food. This type was originated from mutations, which increased the amount of polysaccharide in the endosperm. In Brazil there are populations of sweet corn, common maize and teosinte, however, little is known about their genetic variability. Hence, the aim of this present paper was to analyze the genetic variability in two populations of sweet corn (BR 400 and BR 402), two common corn (Pampa and Suwan) and teosinte, using microsatellite markers. The results showed a low intra-population genetic variability in populations of maize, and high variability for the population of teosinte, suggesting that the maize populations may have limitations in future cycles of breeding. O milho (Zea mays L. ssp. mays) possui diversas espécies relacionadas, chamadas teosinto, que estão distribuídas em várias subespécies de Zea e em diversos outros gêneros. Entre os tipos de milho, o milho doce apresenta um grande potencial para consumo in natura, sendo originário de mutações que aumentam o teor de polissacarídeo no endosperma. No Brasil existem populações de milho doce, comum e teosinto, cujo nível de variabilidade genética não é conhecido. O objetivo desse trabalho foi analisar a variabilidade genética em duas populações de milho doce (BR 400 e BR 402), duas de milho comum (Pampa e Suwan) e uma de teosinto, usando marcadores microssatélites. Os resultados mostraram baixa variabilidade genética intrapopulacional nas populações de milho, e relativamente alta para a população de teosinto, sugindo que essas populações de milho podem apresentar limitações em futuros ciclos de melhoramento genético. The maize (Zea mays L. ssp. mays) has several related species, called teosinte, which are distributed in various subspecies of Zea and other genera. Among the different types of corn, sweet corn shows a great potential for human food. This type was originated from mutations, which increased the amount of polysaccharide in the endosperm. In Brazil there are populations of sweet corn, common maize and teosinte, however, little is known about their genetic variability. Hence, the aim of this present paper was to analyze the genetic variability in two populations of sweet corn (BR 400 and BR 402), two common corn (Pampa and Suwan) and teosinte, using microsatellite markers. The results showed a low intra-population genetic variability in populations of maize, and high variability for the population of teosinte, suggesting that the maize populations may have limitations in future cycles of breeding. |
| Author | Amorim, Edson Perito Sereno, Maria Jane Cruz de Melo Almeida, Cicero Barbosa Neto, José Fernandes Cardoso Filho, Julio Alves |
| AuthorAffiliation | Universidade Federal de Alagoas |
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| Cites_doi | 10.1073/pnas.81.24.8014 10.2135/cropsci2006-03-0149tpg 10.2307/2438037 10.1111/j.1601-5223.2005.01906.x 10.2307/2442442 10.2135/cropsci1997.0011183X003700020018x 10.2307/2418824 10.1111/j.1439-0523.1998.tb01971.x 10.1007/BF00289192 10.1534/genetics.104.032086 10.2135/cropsci2004.0662 10.2135/cropsci2007.04.0191 10.1534/genetics.104.031393 10.2135/cropsci2004.3260 10.12702/1984-7033.v09n01a05 10.12702/1984-7033.v05n04a07 10.1007/s00299-008-0507-z 10.2135/cropsci1984.0011183X002400060002x 10.1016/S1673-8527(07)60096-4 10.1093/jhered/esm002 |
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| Keywords | genetic resources melhoramento genético Breeding recursos genéticos marcadores SSR SSR markers |
| Language | English Portuguese |
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| References_xml | – volume: 81 start-page: 8014 year: 1984 ident: ref16 article-title: Ribosomal DNA spacer-length polymorphisms in barley mendelian inheritance, chromosomal location, and population-dynamics publication-title: Proceedings of the National Academy of Sciences of the United States of America-Biological Sciences doi: 10.1073/pnas.81.24.8014 contributor: fullname: Saghai-maroof MA – volume: 46 start-page: 1 year: 2006 ident: ref19 article-title: Recurrent mutation and genome evolution: example of Sugary1 and the origin of sweet maize publication-title: Crop Science doi: 10.2135/cropsci2006-03-0149tpg contributor: fullname: Tracy WF – volume: 37 start-page: 697 issn: 0002-9122 year: 1950 ident: ref13 article-title: Morphology of the ear and tassel of maize publication-title: American Journal of Botany doi: 10.2307/2438037 contributor: fullname: Reeves RG – volume: 142 start-page: 86 issn: 0018-0661 year: 2005 ident: ref5 article-title: Microsatellite markers for powdery mildew resistance in pea (Pisum sativum L.) publication-title: Hereditas doi: 10.1111/j.1601-5223.2005.01906.x contributor: fullname: Ek M – volume: 67 start-page: 994 issn: 0002-9122 year: 1980 ident: ref9 article-title: Taxonomy of Zea (Gramineae): II. Subspecific categories in the Zea mays complex and a generic synopsis publication-title: American Journal of Botany doi: 10.2307/2442442 contributor: fullname: Iltis HH – volume: 37 start-page: 416 year: 1997 ident: ref10 article-title: Molecular genetic diversity after reciprocal recurrent selection in BSSS and BSCB1 maize populations publication-title: Crop Science doi: 10.2135/cropsci1997.0011183X003700020018x contributor: fullname: Labate JA – volume: 9 start-page: 203 year: 1984 ident: ref4 article-title: Isoenzymatic variation in Zea (Gramineae) publication-title: Systematic Botany doi: 10.2307/2418824 contributor: fullname: Doebley JF – volume: 117 start-page: 447 year: 1998 ident: ref11 article-title: Application of microsatellites from maize to teosinte and other relatives of maize publication-title: Plant Breeding doi: 10.1111/j.1439-0523.1998.tb01971.x contributor: fullname: Lubberstedt T – volume: 73 start-page: 542 issn: 0040-5752 year: 1987 ident: ref12 article-title: Cytogenetic studies in the genus Zea: I. 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Genetics and Biometry Laboratory contributor: fullname: Schneider, S; Roessli, D; Excoffier, L – volume: 46 start-page: 1 year: 2006 end-page: 7 article-title: Recurrent mutation and genome evolution: example of Sugary1 and the origin of sweet maize publication-title: Crop Science contributor: fullname: Tracy, WF; Whitt, SR; Buckler, ES – volume: 169 start-page: 1617 year: 2005 end-page: 1630 article-title: An analysis of genetic diversity across the maize genome using microsatellites publication-title: Genetics contributor: fullname: Vigouroux, Y; Mitchell, S; Matsuoka, Y; Hamblin, M; Kresovich, S; Smith, JSC; Jaqueth, J; Smith, OS; Doebley, J – volume: 34 start-page: 851 year: 2007 end-page: 860 article-title: Genetic diversity of maize (Zea mays L.) landraces from Southwest China based on SSR data publication-title: Journal of Genetics and Genomics contributor: fullname: Yao, Q; Yang, K; Pan, G; Rong, T – volume: 98 start-page: 183 year: 2007 end-page: 187 article-title: Spontaneous hybridization between maize and teosinte publication-title: Journal of Heredity contributor: fullname: Ellstrand, NC; Garner, LC; Hegde, S; Guadagnuolo, R; Blancas, L – volume: 73 start-page: 542 year: 1987 end-page: 550 article-title: Cytogenetic studies in the genus Zea: I. Evidence for five as the basic chromosomes number publication-title: Theoretical and Applied Genetics contributor: fullname: Molina, MC; Narango, CA – volume: 5 start-page: 418 year: 2005 end-page: 425 article-title: Genetic variation among and within sweet corn populations detected by RAPD and SSR markers publication-title: Crop Breeding and Applied Biotechnology contributor: fullname: Bered, F; Terra, TF; Spellmeier, M; Barbosa Neto, JF – volume: 67 start-page: 994 year: 1980 end-page: 997 article-title: Taxonomy of Zea (Gramineae): II. Subspecific categories in the Zea mays complex and a generic synopsis publication-title: American Journal of Botany contributor: fullname: Iltis, HH; Doebley, JF – volume: 142 start-page: 86 year: 2005 end-page: 91 article-title: Microsatellite markers for powdery mildew resistance in pea (Pisum sativum L.) publication-title: Hereditas contributor: fullname: Ek, M; Eklund, M; Von Post, R; Dayteg, C; Henriksson, T; Weibull, P; Ceplitis, A; Isaac, P; Tuvesson, S – volume: 117 start-page: 447 year: 1998 end-page: 450 article-title: Application of microsatellites from maize to teosinte and other relatives of maize publication-title: Plant Breeding contributor: fullname: Lubberstedt, T; Dussle, C; Melchinger, AE – volume: 27 start-page: 617 year: 2008 end-page: 631 article-title: Advances in molecular marker techniques and their applications in plant sciences publication-title: Plant Cell Report contributor: fullname: Agarwal, M; Shrivastava, N; Padh, H – volume: 44 start-page: 326 year: 2004 end-page: 334 article-title: Genetic diversity determined within and among CIMMYT maize populations of tropical, subtropical, and temperate germplasm by SSR markers publication-title: Crop Science contributor: fullname: Reif, JC; Xia, XC; Melchinger, AE; Warburton, ML; Hoisington, DA; Beck, D; Bohn, M; Frisch, M – volume: 169 start-page: 2241 year: 2005 end-page: 2254 article-title: Genetic diversity and population structure of teosinte publication-title: Genetics contributor: fullname: Fukunaga, K; Hill, J; Vigouroux, Y; Matsuoka, Y; Sanchez, J; Liu, KJ; Buckler, ES; Doebley, J – volume: 9 start-page: 31 year: 2009 end-page: 36 article-title: Genetic divergence in popcorn genotypes using microsatellites in bulk genomic DNA publication-title: Crop Breeding and Applied Biotechnology contributor: fullname: Silva, TA; Pinto, RJP; Scapim, CA; Mangolin, CA; Machado, MFPS; Carvalho, MSN – volume: 45 start-page: 2435 year: 2005 end-page: 2442 article-title: Population genetic diversity in a maize reciprocal recurrent selection program publication-title: Crop Science contributor: fullname: Hinze, LL; Kresovich, S; Nason, JD; Lamkey, KR – volume: 48 start-page: 391 year: 2008 end-page: 407 article-title: Marker-Assisted Selection in plant breeding: from publications to practice publication-title: Crop Science contributor: fullname: Xu, Y; Crouch, HJ – volume: 37 start-page: 697 year: 1950 end-page: 704 article-title: Morphology of the ear and tassel of maize publication-title: American Journal of Botany contributor: fullname: Reeves, RG – volume: 9 start-page: 203 year: 1984 end-page: 218 article-title: Isoenzymatic variation in Zea (Gramineae) publication-title: Systematic Botany contributor: fullname: Doebley, JF; Goodman, MM; Stuber, CW – volume: 37 start-page: 416 year: 1997 end-page: 423 article-title: Molecular genetic diversity after reciprocal recurrent selection in BSSS and BSCB1 maize populations publication-title: Crop Science contributor: fullname: Labate, JA; Lamkey, KR; Lee, M; Woodman, WL – volume: 81 start-page: 8014 year: 1984 end-page: 8018 article-title: Ribosomal DNA spacer-length polymorphisms in barley mendelian inheritance, chromosomal location, and population-dynamics publication-title: Proceedings of the National Academy of Sciences of the United States of America-Biological Sciences contributor: fullname: Saghai-maroof, MA; Soliman, KM; Jorgensen, RA; Allard, RW – year: 2000 publication-title: NTSYS-PC: numerical taxonomy system for the pc contributor: fullname: Rohlf, FJ – volume: 24 start-page: 1011 year: 1984 end-page: 1015 article-title: Potential use of alien germplasm for maize improvement publication-title: Crop Science contributor: fullname: Cohen, JI; Galinat, WC |
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| Snippet | The maize (Zea mays L. ssp. mays) has several related species, called teosinte, which are distributed in various subspecies of Zea and other genera. Among the... The maize (Zea mays L. ssp. mays) has several related species, called teosinte, which are distributed in varioussubspecies of Zea and other genera. Among the... |
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| SubjectTerms | AGRONOMY BIOTECHNOLOGY & APPLIED MICROBIOLOGY Breeding Corn genetic resources Genetic variability Population genetics SSR markers Zea mays |
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| Title | Genetic variability in populations of sweet corn, common corn and teosinte |
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