Abstract
Chromosome banding patterns can reveal the locations of specific heterochromatin characteristics for individual chromosomes in a given species. Thus, banding patterns have been used to identify individual chromosomes, to detect chromosomal structural aberrations, and to elucidate evolutionary relationships among taxonomically related species. However, such banding patterns have not been documented for any of the species in the genus Sorghum . Since these chromosomes are small and frequently difficult to distinguish, the C‐banding technique was applied to Combine Kafir 60, a cultivar of Sorghum bicolor (L.) Moench, to determine the banding patterns of the chromosome complement. While different C‐banding treatments gave somewhat different karyotypes, all gave satisfactory results for identifying individual chromosomes. All chromosomes of Combine Kafir 60 showed intensive centromeric C‐bands. Intercalary bands were present in Chromosomes 3, 4, 5, and 9, with some variations in their positions. Telomeric C‐bands were identified in both arms of Chromosomes 1, 2, and 7, and in the short arm of Chromosome 3. Chromosomes 6, 8, and 10 had only centrometic Cbands. Some C‐bands were constant in showing their characteristics and some were facultative. All 10 chromosome pairs in Combine Kafir 60 were identified by their C‐banding patterns, along with their length and arm ratios. This banding pattern can be used as the basis for detecting intraspecific chromosomal variability and an interspecific genomic relationship.
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Claims 8
Claim · model-written summary
The C-banding technique gave satisfactory results for identifying individual chromosomes of Combine Kafir 60
- Taxon
- Sorghum bicolor
Sorghum bicolore1 - Material
- Combine Kafir 60e1
- Outcome
- identifying individual chromosomese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Combine Kafir 60, a cultivar of Sorghum bicolor (L.) Moench”
e2“all gave satisfactory results for identifying individual chromosomes”
Claim · model-written summary
All chromosomes of Combine Kafir 60 showed intensive centromeric C-bands
- Taxon
- Sorghum bicolorSorghum bicolore1
- Material
- Combine Kafir 60e3
- Outcome
- intensive centromeric C‐bandse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Combine Kafir 60, a cultivar of Sorghum bicolor (L.) Moench”
e3“All chromosomes of Combine Kafir 60 showed intensive centromeric C‐bands”
Claim · model-written summary
Intercalary C-bands were present in chromosomes 3, 4, 5 and 9 of Combine Kafir 60
- Taxon
- Sorghum bicolorSorghum bicolore1
- Material
- Combine Kafir 60e1
- Outcome
- Intercalary bandse4
- Qualifier
- Chromosomes 3, 4, 5, and 9e4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Combine Kafir 60, a cultivar of Sorghum bicolor (L.) Moench”
e4“Intercalary bands were present in Chromosomes 3, 4, 5, and 9, with some variations in their positions”
Claim · model-written summary
Telomeric C-bands were present in both arms of chromosomes 1, 2 and 7 and the short arm of chromosome 3
- Taxon
- Sorghum bicolorSorghum bicolore1
- Material
- Combine Kafir 60e1
- Outcome
- Telomeric C‐bandse5
- Qualifier
- both arms of Chromosomes 1, 2, and 7e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Combine Kafir 60, a cultivar of Sorghum bicolor (L.) Moench”
e5“Telomeric C‐bands were identified in both arms of Chromosomes 1, 2, and 7, and in the short arm of Chromosome 3”
Claim · model-written summary
Chromosomes 6, 8 and 10 had only centromeric C-bands
- Taxon
- Sorghum bicolorSorghum bicolore1
- Material
- Combine Kafir 60e1
- Outcome
- only centrometic Cbandse6
- Qualifier
- Chromosomes 6, 8, and 10e6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Combine Kafir 60, a cultivar of Sorghum bicolor (L.) Moench”
e6“Chromosomes 6, 8, and 10 had only centrometic Cbands”
Claim · model-written summary
Some C-bands of Combine Kafir 60 were constant in their characteristics and some were facultative
- Taxon
- Sorghum bicolorSorghum bicolore1
- Material
- Combine Kafir 60e1
- Outcome
- Some C‐bands were constant in showing their characteristicse7
- Qualifier
- some were facultativee7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Combine Kafir 60, a cultivar of Sorghum bicolor (L.) Moench”
e7“Some C‐bands were constant in showing their characteristics and some were facultative”
Claim · model-written summary
All 10 chromosome pairs of Combine Kafir 60 were identified by their C-banding patterns
- Taxon
- Sorghum bicolorSorghum bicolore1
- Material
- Combine Kafir 60e0
- Outcome
- identified by their C‐banding patternse0
- Qualifier
- along with their length and arm ratiose0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Combine Kafir 60, a cultivar of Sorghum bicolor (L.) Moench”
e0“All 10 chromosome pairs in Combine Kafir 60 were identified by their C‐banding patterns, along with their length and arm ratios. This banding pattern can be used as the basis for detecting intraspecific chromosomal variability and an interspecific genomic relationship”
Claim · model-written summary
The C-banding pattern could be used to detect intraspecific chromosomal variability and interspecific genomic relationship in sorghum
- Taxon
- Sorghum bicolorSorghum bicolore1
- Outcome
- detecting intraspecific chromosomal variability and an interspecific genomic relationshipe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Combine Kafir 60, a cultivar of Sorghum bicolor (L.) Moench”
e0“All 10 chromosome pairs in Combine Kafir 60 were identified by their C‐banding patterns, along with their length and arm ratios. This banding pattern can be used as the basis for detecting intraspecific chromosomal variability and an interspecific genomic relationship”