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GrainGenes Marker Report: Nor-B2 (Triticum)

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Gene	Nor-B2 (Triticum)
Synonym	Other name Nor2 Payne PI et al. (1984) Development and characterization of a line of bread wheat, Triticum aestivum, which lacks the short arm satellite 1 Band the Gli-B1 locus. Theoretical and Applied Genetics 68:327-334.
Gene Class	Nucleolus organizer regions
Orthologous Gene Set	Nor-2
Allele	[ Hide all but 1 of 11 ] Nor-B2a (Triticum) Nor-B2a- (Triticum) Nor-B2b (Triticum) Nor-B2c (Triticum) Nor-B2d (Triticum) Nor-B2d- (Triticum) Nor-B2e (Triticum) Nor-B2f (Triticum) Nor-B2g (Triticum) Nor-B2h (Triticum) Nor-B2i (Triticum)
Locus	Nor-2 Nor-B2
Reference	May CE and Appels R (1988) Allelism of the nucleolus organiser regions of hexaploid wheat. Proceedings of the 7th International Wheat Genetics Symposium 577-583. [ Show all 6 ]
Chromosome	6B Morrison JW (1953) Chromosome behaviour in wheat monosomics. Heredity 7:203-217. Crosby AR (1957) Nucleolar activity of lagging chromosomes in wheat. American Journal of Botany 44:813-822. Flavell RB and Smith DB (1974) The role of homoeologous group 1 chromosomes in the control of rRNA genes in wheat. Biochemical Genetics 12:271-279. Longwell AR and Svihla G (1960) Specific chromosomal control of the nucleolus and of the cytoplasm in wheat. Experimental Cell Research 20:294-312.
Chromosome Arm	6BS Morrison JW (1953) Chromosome behaviour in wheat monosomics. Heredity 7:203-217. Crosby AR (1957) Nucleolar activity of lagging chromosomes in wheat. American Journal of Botany 44:813-822. Flavell RB and Smith DB (1974) The role of homoeologous group 1 chromosomes in the control of rRNA genes in wheat. Biochemical Genetics 12:271-279. Longwell AR and Svihla G (1960) Specific chromosomal control of the nucleolus and of the cytoplasm in wheat. Experimental Cell Research 20:294-312.
Germplasm	Hexaploid stock Chinese Spring
Comment	Additional alleles are listed in 657 and 658.
Wheat Gene Catalog Reference	658 May CE and Appels R (1988) Allelism of the nucleolus organiser regions of hexaploid wheat. Proceedings of the 7th International Wheat Genetics Symposium 577-583. 657 May CE and Appels R (1987) Variability and genetics of spacer DNA sequences between the ribosomal-RNA genes of hexaploid wheat (Triticum aestivum). Theoretical and Applied Genetics 74:617-624.
Info Source	McIntosh RA et al. (1995) Catalogue of gene symbols for wheat. Proceedings of the 8th International Wheat Genetics Symposium 1333-1500.
Data Curator	Hart, Gary E. 95.08.24
Locus Associated with Gene	Nor-2
Type	Gene
Chromosome	6B
Chromosome Arm	6BS
Map	Ta-Gale-6B -17.2 Tturgidum-MxM-6B -20.9 Tturgidum-MxM-AFLP-6B 27.9 Tturgidum-SSR-6B -21.2
	[ Show Nearby Loci ]
In QTL	QPro.mgb-6B
Map Data	T. turgidum, Messapia x dicoccoides  Mapped_with_probe  pPD5 T. turgidum, Messapia x dicoccoides  Mapped_with_probe  pPD4 T. turgidum, Messapia x dicoccoides, AFLP T. turgidum, Messapia x dicoccoides, SSR Wheat, Gale
Probe	pPD4 pPD5
Associated Gene	Nor-B2 (Triticum)
Gene Class	Nucleolus organizer regions
Possible Orthologs	Nor-B2 Nor-B2-6B
Locus Associated with Gene	Nor-B2
Type	Gene
Chromosome	6B
Chromosome Arm	6BS
Map	Ta-Synthetic/Opata-6B -14.3 [ Show all 6 ]
	[ Show Nearby Loci ]
Map Data	Wheat genes [ Show all 6 ]
2 Point Data	Gli-B2/Nor-B2#1 Nor-B2/Centromere#1
Probe	pTa71
Associated Gene	Nor-B2 (Triticum)
Gene Class	Nucleolus organizer regions
Reference	Dvorak J and Chen KC (1984) Distribution of nonstructural variation between wheat cultivars along chromosome arm 6Bp: evidence from the linkage map and physical map of the arm. Genetics 106:325-333.
Possible Orthologs	Nor-2 Nor-B2-6B

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