Systomus rubripinnis  ';
General information
 
Systomus rubripinnis  (Valenciennes, 1842)
 
 
Common nameRed cheek barb
Synonyms
-
IUCN Red List status (2014)
Not Reported
Habitat
-
Systematics
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Cypriniformes; Cyprinidae.
Geographical distribution
-
Occurrence -
Importance
Remarks
18S rDNA sites located on telomeric regions of p arms of chromosome pairs 12, 13 and 14. 5S rDNA showed a subtelomeric location on pair 10 and telomeric regions of pair 15. Strong microsatellite hybridization signals observed at telomeric and interstitial regions of many acrocentric chromosomes.
Karyological information
Geographical area of study Mae Klong River, Ratchaburi region, Thailand.
Source of chromosomes
Anterior kidney cells.
Number of specimens with sex
20 (10 male, 10 female).
Diploid chromosome number
50
Karyotype formula
8m+10sm+32a
Fundamental arm number
100
Chromosome length
-
Sex chromosome
-
Chromosome staining/banding/FISH
AgNOR sites located in telomeric region of short arms of acrocentric pairs 12 and 14. C-positive heterochromatin observed in centromeric regions of several chromosomes.
Reference(s)
Sribenja K, Getlekha N. (2024). The chromosomal distribution of ribosomal DNA and repetitive DNAs in the genome of the red cheek barb, Systomus rubripinnis (Valenciennes, 1842). Nucleus. https://doi.org/10.1007/s13237-024-00504-3.