Genetic map of eight microsatellite markers comprising two linkage groups on rat chromosome 6

A molecular-marker linkage map has been constructed for perennial ryegrass (Lolium perenne L.) using a one-way pseudo-testcross population based on the mating of a multiple heterozygous individual with a doubled haploid genotype. RFLP, AFLP, isoenzyme, and EST data from four collaborating laboratories within the International Lolium Genome Initiative were combined to produce an integrated genetic map containing 240 loci covering 811 cM on seven linkage groups. The map contained 124 codominant markers, of which 109 were heterologous anchor RFLP probes from wheat, barley, oat, and rice, allowing comparative relationships between perennial ryegrass and other Poaceae species to be inferred. The genetic maps of perennial ryegrass and the Triticeae cereals are highly conserved in terms of synteny and colinearity. This observation was supported by the general agreement of the syntenic relationships between perennial ryegrass, oat, and rice and those between the Triticeae and these species. A lower level of synteny and colinearity was observed between perennial ryegrass and oat compared with the Triticeae, despite the closer taxonomic affinity between these species. It is proposed that the linkage groups of perennial ryegrass be numbered in accordance with these syntenic relationships, to correspond to the homoeologous groups of the Triticeae cereals.Key words: Lolium perenne, genetic linkage map, RFLP, AFLP, conserved synteny.

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Six microsatellite markers on the short arm of chromosome 6 in relation to HLA-DR3 and TNF−308A in systemic lupus erythematosus

Genes and Immunity ◽

10.1038/sj.gene.6363794 ◽

2001 ◽

Vol 2 (7) ◽

pp. 373-380 ◽

Cited By ~ 39

Author(s):

MW van der Linden ◽

AR van der Slik ◽

E Zanelli ◽

MJ Giphart ◽

E Pieterman ◽

...

Keyword(s):

Systemic Lupus Erythematosus ◽

Microsatellite Markers ◽

Lupus Erythematosus ◽

Chromosome 6 ◽

Systemic Lupus ◽

Hla Dr3

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Centromere-Linkage Analysis and Consolidation of the Zebrafish Genetic Map

Genetics ◽

10.1093/genetics/142.4.1277 ◽

1996 ◽

Vol 142 (4) ◽

pp. 1277-1288

Author(s):

Stephen L Johnson ◽

Michael A Gates ◽

Michele Johnson ◽

William S Talbot ◽

Sally Horne ◽

...

Keyword(s):

Linkage Group ◽

Linkage Analysis ◽

Genetic Analysis ◽

Linkage Map ◽

Rapid Method ◽

Genetic Map ◽

Dna Polymorphisms ◽

Linkage Groups

Abstract The ease of isolating mutations in zebrafish will contribute to an understanding of a variety of processes common to all vertebrates. To facilitate genetic analysis of such mutations, we have identified DNA polymorphisms closely linked to each of the 25 centromeres of zebrafish, placed centromeres on the linkage map, increased the number of mapped PCR-based markers to 652, and consolidated the number of linkage groups to the number of chromosomes. This work makes possible centromere-linkage analysis, a novel, rapid method to assign mutations to a specific linkage group using half-tetrads.

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Genetic map of 16 polymorphic markers forming three linkage groups assigned to rat Chromosome 4

Mammalian Genome ◽

10.1007/bf00360654 ◽

1995 ◽

Vol 6 (7) ◽

pp. 459-463 ◽

Cited By ~ 7

Author(s):

E. A. Goldmuntz ◽

E. F. Remmers ◽

Y. Du ◽

H. Zha ◽

P. Mathern ◽

...

Keyword(s):

Genetic Map ◽

Polymorphic Markers ◽

Chromosome 4 ◽

Linkage Groups

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A new gene for resistance to Dysaphis pyri in pear and identification of flanking microsatellite markers

Genome ◽

10.1139/g08-093 ◽

2008 ◽

Vol 51 (12) ◽

pp. 1026-1031 ◽

Cited By ~ 15

Author(s):

Kate M. Evans ◽

Ceri L. Govan ◽

Felicidad Fernández-Fernández

Keyword(s):

Linkage Group ◽

Microsatellite Markers ◽

Major Gene ◽

Pyrus Communis ◽

Linkage Groups ◽

European Pear ◽

New Gene

Dysaphis pyri is an important aphid pest of European pear ( Pyrus communis ) cultivars, none of which are currently reported to be resistant. In this study, we produced a progeny of the European pear Comice crossed with an accession of snow pear (Pyrus nivalis) that segregated for resistance to D. pyri in a Mendelian fashion, indicating the presence of a major gene, Dp-1. Following screening of the parents and seedlings with microsatellite markers, cosegregation analysis indicated that Dp-1 is flanked by NH006b and NH014a on linkage group 17, 2.3 and 3.6 cM away, respectively. Evidence is also presented for the duplication of linkage groups 9 and 17, which is a consequence of the allopolyploid origin of pear.

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Mapping of microsatellite markers developed from a flow-sorted swine chromosome 6 library

Mammalian Genome ◽

10.1007/s003359900388 ◽

1997 ◽

Vol 8 (3) ◽

pp. 193-199 ◽

Cited By ~ 5

Author(s):

D. R. Grimm ◽

T. Goldman ◽

R. Holley-Shanks ◽

L. Buoen ◽

J. Mendiola ◽

...

Keyword(s):

Microsatellite Markers ◽

Chromosome 6

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Chromosomal regions which control sporulation in Bacillus subtilis

Canadian Journal of Microbiology ◽

10.1139/m69-137 ◽

1969 ◽

Vol 15 (7) ◽

pp. 787-790 ◽

Cited By ~ 6

Author(s):

Marvin Rogolsky

Keyword(s):

Bacillus Subtilis ◽

Linkage Group ◽

Genetic Map ◽

Gene Clusters ◽

Linkage Groups ◽

The Third ◽

The Right

Large quantities of sporulation mutants have been isolated with a variety of mutagens. The genetic sites for asporogeny have been localized on the chromosome of Bacillus subtilis through transduction with phage PBSI. Through these procedures specific portions of the chromosome which are associated with sporulation have been identified. Although asporogenic (Sp−) defects were observed to be scattered throughout the four linkage groups of the genetic map of B. subtilis, only three extensive Sp− linkage groups were identified. The first linkage group of Sp− markers is located at the proximal end of the chromosome between the cys A and ery markers. The second cluster of spore genes mapped to the right of ura, and the third linkage group of spore markers mapped to the left of lys-2. Defects within specific regions of the first and third spore gene clusters obstructed some early products of sporogenesis.

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Integration of the Cytogenetic and Genetic Linkage Maps of Brassica oleracea

Genetics ◽

10.1093/genetics/161.3.1225 ◽

2002 ◽

Vol 161 (3) ◽

pp. 1225-1234 ◽

Cited By ~ 5

Author(s):

Elaine C Howell ◽

Guy C Barker ◽

Gareth H Jones ◽

Michael J Kearsey ◽

Graham J King ◽

...

Keyword(s):

Linkage Map ◽

Brassica Oleracea ◽

Genetic Map ◽

Genetic Linkage ◽

Linkage Maps ◽

Linkage Groups ◽

Opposite Orientation ◽

Cytogenetic Map ◽

Specific Pcr ◽

Genetic Linkage Maps

Abstract We have assigned all nine linkage groups of a Brassica oleracea genetic map to each of the nine chromosomes of the karyotype derived from mitotic metaphase spreads of the B. oleracea var. alboglabra line A12DHd using FISH. The majority of probes were BACs, with A12DHd DNA inserts, which give clear, reliable FISH signals. We have added nine markers to the existing integrated linkage map, distributed over six linkage groups. BACs were definitively assigned to linkage map positions through development of locus-specific PCR assays. Integration of the cytogenetic and genetic linkage maps was achieved with 22 probes representing 19 loci. Four chromosomes (2, 4, 7, and 9) are in the same orientation as their respective linkage groups (O4, O7, O8, and O6) whereas four chromosomes (1, 3, 5, and 8) and linkage groups (O3, O9, O2, and O1) are in the opposite orientation. The remaining chromosome (6) is probably in the opposite orientation. The cytogenetic map is an important resource for locating probes with unknown genetic map positions and is also being used to analyze the relationships between genetic and cytogenetic maps.

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Development and Integration of Genome-Wide Polymorphic Microsatellite Markers onto a Reference Linkage Map for Constructing a High-Density Genetic Map of Chickpea

PLoS ONE ◽

10.1371/journal.pone.0125583 ◽

2015 ◽

Vol 10 (5) ◽

pp. e0125583 ◽

Cited By ~ 13

Author(s):

Yash Paul Khajuria ◽

Maneesha S. Saxena ◽

Rashmi Gaur ◽

Debasis Chattopadhyay ◽

Mukesh Jain ◽

...

Keyword(s):

Microsatellite Markers ◽

Linkage Map ◽

Genetic Map ◽

High Density ◽

Genome Wide ◽

Polymorphic Microsatellite

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An SSR genetic map of Sorghum bicolor (L.) Moench and its comparison to a published genetic map

Genome ◽

10.1139/g06-133 ◽

2007 ◽

Vol 50 (1) ◽

pp. 84-89 ◽

Cited By ~ 27

Author(s):

Y.Q. Wu ◽

Yinghua Huang

Keyword(s):

Sorghum Bicolor ◽

Genetic Map ◽

Dna Markers ◽

Genetic Distances ◽

Genetic Maps ◽

Linkage Groups ◽

Common Marker ◽

Ssr Loci ◽

The Difference ◽

Sorghum Bicolor L

Sorghum bicolor (L.) Moench is an important grain and forage crop grown worldwide. We developed a simple sequence repeat (SSR) linkage map for sorghum using 352 publicly available SSR primer pairs and a population of 277 F2 individuals derived from a cross between the Westland A line and PI 550610. A total of 132 SSR loci appeared polymorphic in the mapping population, and 118 SSRs were mapped to 16 linkage groups. These mapped SSR loci were distributed throughout 10 chromosomes of sorghum, and spanned a distance of 997.5 cM. More important, 38 new SSR loci were added to the sorghum genetic map in this study. The mapping result also showed that chromosomes SBI-01, SBI-02, SBI-05, and SBI-06 each had 1 linkage group; the other 6 chromosomes were composed of 2 linkage groups each. Except for 5 closely linked marker flips and 1 locus (Sb6_34), the marker order of this map was collinear to a published sorghum map, and the genetic distances of common marker intervals were similar, with a difference ratio ≤ 0.05 between the 2 maps. The difference ratio is a new index developed in this study that can be used to compare the genetic distances of DNA markers between 2 maps. This SSR map carrying additional SSR markers will facilitate mapping quantitative trait loci to the sorghum genome and map-based gene cloning. Furthermore, the novel method for calculating distance between DNA markers will be a useful tool for the comparative analysis of genetic markers between linkage maps with different genetic backgrounds and the alignment of different sorghum genetic maps.

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