Parauchenipterus striatulus

Santos, Dayane Petik dos, Felicetti, Denise, Baumgärtner, Lucas, Margarido, Vladimir Pavan, Blanco, Daniel Rodrigues, Moreira-Filho, Orlando & Lui, Roberto Laridondo, 2021, Contributions to the taxonomy of Trachelyopterus (Siluriformes): comparative cytogenetic analysis in three species of Auchenipteridae, Neotropical Ichthyology (e 200115) 19 (1), pp. 1-12 : 5

publication ID

https://doi.org/ 10.1590/1982-0224-2020-0115

DOI

https://doi.org/10.5281/zenodo.11061599

persistent identifier

https://treatment.plazi.org/id/03B68793-FFFD-EE50-E2EC-FD62FD57FB81

treatment provided by

Felipe

scientific name

Parauchenipterus striatulus
status

 

Parauchenipterus striatulus View in CoL :

Doce River basin. Diploid number (2n) was 58 chromosomes and the karyotype was composed of 18 metacentric, 20 submetacentric, 10 subtelocentric, and 10 acrocentric chromosomes ( Fig. 1A View FIGURE 1 ). AgNO 3 staining demonstrated simple NORs allocated in terminal region on the short arm of the submetacentric pair 23 ( Fig. 1A View FIGURE 1 , in box). C-banding technique evidenced pale heterochromatin in terminal regions of almost all chromosome pairs ( Fig. 1D View FIGURE 1 ). 18S rDNA-FISH confirmed previous findings by AgNO 3 staining and revealed these sequences only on pair 23. 5S rDNA-FISH detected these sequences in three submetacentric pairs, on the short arm of the pair 10 and 13, and on the long arm of the pair 15 ( Fig. 1G View FIGURE 1 ).

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