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1

Random variability of map distances based on Kosambi's and Haldane's mapping functions

100%
Huehn M.
Journal of Applied Genetics
|
2010
|
vol. 51
|
issue 1
27-31
EN
The majority of published genetic maps are based on Kosambi distances or on Haldane distances. For a comparison of both map distance measures, their random variability is of particular interest. For the statistic ?variance', this paper presents a relationship between Kosambi distances and Haldane distances. The results suggest that Kosambi distances exhibit a smaller random variability. The theoretical results are applied to an experimental data set for molecular AFLP markers linked to the bolting gene of sugar beet (Beta vulgaris L.).
2

New genetic map of rye composed of PCR-based molecular markers and its alignment with the reference map of the DS2 ? RXL10 intercross

100%
Milczarski P., Banek-Tabor A., Lebiecka K., Stojalowski S., Myskow B., Masojc P.
Journal of Applied Genetics
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2007
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vol. 48
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issue 3
11-24
EN
A new genetic map of rye, developed by using the 541 ? Ot1-3 F2 intercross, consists of 148 marker loci, including 99 RAPDs, 18 SSRs, 14 STSs, 9 SCARs and 7 ISSRs, and spans the distance of 1401.4 cM. To the 7 rye chromosomes, 8 linkage groups were assigned and compared with the reference map of the DS2 ? RXL10 F2 intercross by using 24 common markers. The 2 combined maps contain altogether 611 marker loci (70?109 per chromosome) and constitute a substantial source of information useful for further genomic studies in rye. From 21 to 37 RAPD marker loci are distributed randomly along each chromosome length and their total number for all 7 rye chromosomes is 177. This abundance of RAPD marker loci in the rye genetic map can be exploited for development of SCARs in regions containing important genes or QTL.
3

Chicken (Gallus gallus) ? the recent achievments in animal genomics

100%
Slawinska A., Siwek M.
Biotechnologia
|
2010
|
issue 3
36-46
EN
Chicken (Gallus gallus) is one of the most important animal species worldwide. As a significant contributor to food industry, it provides eggs and meat, which are important sources of animal protein in human diet. Moreover, chicken has a unique genomic architecture, which has been investigated for many years. This paper summarizes the most recent achievements in the field of chicken genomics. Among domestic animals chicken was the first to be selected for genome sequencing. Nowadays extensive chicken genetic and genomic resources such as genetic maps (STR, SNP), RH panel, EST, nucleotide sequence, QTLs and genes are known and publicly available. Finally, high-throughput microarrays (60K SNP array and 44K gene expression array) have been designed for the chicken genome as a modern tool applied in genome-wide association studies and functional genomics.
4

Saturating rye genetic map with amplified fragment length polymorphism (AFLP) and random amplified polymorphic DNA (RAPD) markers

100%
Bednarek P. T., Masojc P., Lewandowska R., Myskow B.
Journal of Applied Genetics
|
2003
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vol. 44
|
issue 1
21-33
EN
A linkage map of rye, previously developed using DS2 ? RXL10 F2 mapping population, was enriched with 179 AFLP and 19 RAPD marker loci. The current map covers 1386 cM and contains 480 markers including 200 RFLPs, 179 AFLPs, 88 RAPDs, 12 protein loci and one dwarfing gene. AFLPs generated by EcoRI/MseI primer combinations were distributed over the entire genome as distinct loci or clusters of 2-14 tightly linked DNA fragments. New marker loci mapped distally to the existing framework, significantly increased coverage of chromosomes 1R, 2R and 5R. The average marker distance is now 2.9 cM, but in seven regions the closest markers are still more than 20 cM apart. A detailed description of the newly mapped AFLP and RAPD loci is presented. The relationship with other published rye maps is discussed.
5

Mapping of sequence-specific markers and loci controlling preharvest sprouting and alpha-amylase activity in rye (Secale cereale L.) on the genetic map of an F2 (S120xS76) population

88%
Myskow B., Stojalowski S., Milczarski P., Masojc P.
|
EN
Location of the loci that control preharvest sprouting and alpha-amylase activity in rye was studied based on intercross S120?S76, consisting of 110 genotypes of F2 and F3 progenies. The genetic map currently consists of 141 loci distributed in 11 linkage groups, covering a distance of 506.4 cM, and was enriched during this study with 24 sequence-specific markers (7 SCARs, 7 SSRs, and 10 STSs). The extended map was applied for composite interval mapping of the loci controlling preharvest sprouting and ?-amylase activity, revealing 3 significant QTLs for preharvest sprouting, located on chromosomes 3R, 5R and 6R (in 1999), and one QTL for ?-amylase activity found on chromosome 2R (in 2000).
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