The Chromosomes of the Sumatran Serow

Soma, Hiroaki; Kada, Hidemi; Matayoshi, Kunio; Suzuki, Yasunobu; Meckvichal, Chira; Mahannop, Alongkorn; Vatanaromya, Bamroong

doi:10.2183/pjab.58.265

Cited by 5 publications

(5 citation statements)

References 4 publications

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“…These features are differences to that reported by Soma et al (1982) indicating that a C. sumatraensis had an acrocentric X-chromosome and an acrocentric Ychromosome. Furthermore, Fischer and Höhn (1972) also reported that the sex chromosome of the C. sumatraensis had a metacentric X chromosome and a metacentric Y chromosome.…”

Section: Resultscontrasting

confidence: 96%

“…These features are differences to that reported by Fischer and Höhn (1972) indicating that C. sumatraensis had 2n= 46. The fundamental number (NF, number of chromosome arms) was 60 in both male and female, which is the same as the report of Soma et al (1982). According to the chromosome characteristics of others in family Bovidae, gaur (2n=58, NF=58), banteng (2n= 60, NF=58), cattle, B. taurus (2n= 60, NF=58), swamp buffalo (2n= 48, NF=56), river buffalo (2n=50, NF=58), goat (2n= 60, NF=58) sheep (2n=54, NF=58) and goral (2n=56, NF= 60), all of them have the range of 2n= 48-60 and most have NF=58, except in swamp buffalo that has NF=56 which its chromosome pair 1 derived from tandem fusion of chromosome pair 4 and 9 of river buffalo (Di Berardino and Iannuzzi 1981).…”

Section: Resultssupporting

confidence: 85%

“…2). This is the same chromosome number for the C. sumatraensis as reported in previous studies (Soma et al 1982, Huang et al 2005. These features are differences to that reported by Fischer and Höhn (1972) indicating that C. sumatraensis had 2n= 46.…”

Section: Resultssupporting

confidence: 79%

“…sumatraensis autosomes consist of 2 large metacentric, 4 large submetacentric, 2 large acrocentric, 2 medium telocentric, 4 small submetacentric and 32 small telocentric chromosomes (2m+8sm+2a+34t). Difference chromosomal features were reported by Soma et al (1982), which indicated that the C. sumatraensis had 12 metacentric and 34 acrocentric chromosomes.…”

Section: Resultsmentioning

confidence: 95%

“…Their bi-armed chromosomes are the result of Robertsonian translocation or centric fusion (Cribiu et al 1990, Claro et al 1996, Robinson et al 1996, Oh et al 2011, Gomontean et al 2009, Tanomtong et al 2011. In genus Capricornis, cytogenetic studies have been performed in three species, including C. crispus (Benirschke et al 1972), C. sumatraensis (Fischer and Höhn 1972, Soma et al 1982, Huang et al 2005 and C. swinhoei (Soma et al 1981) (Table 1). Most of these species have 2n= 48 or 50 chromosomes consisting of bi-armed and monoarmed chromosomes.…”

mentioning

confidence: 99%

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Cytogenetics Study and Characterization of Sumatra Serow, <i>Capricornis sumatraensis</i> (Artiodactyla, Bovidae) by Classical and FISH Techniques

et al. 2017

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Summary Karyological analysis in the Sumatra serow (Capricornis sumatraensis) from Thailand were conducted. Blood samples were taken from two male and two female serows. After standard whole blood lymphocytes had been cultured at 37 C for 72 h in the presence of colchicine, metaphase spreads were performed on microscopic slides and air-dried. Conventional, GTG-, high-resolution, Ag-NOR banding and fluorescence in situ hybridization (FISH) were applied to stain the chromosomes. The results showed that the diploid chromosome number of C. sumatraensis was 2n=48 and the fundamental number (NF) for both sexes were 60. The types of autosomes were 2 large metacentric, 4 large submetacentric, 2 large acrocentric, 2 medium telocentric, 4 small submetacentric and 32 small telocentric chromosomes. The X chromosome was a medium telocentric chromosome and the Y chromosome was a smallest telocentric chromosome. From the GTG-banding and high-resolution techniques, the numbers of bands in the C. sumatraensis were 147 and 207, respectively, and each chromosome pair could be clearly differentiated. In addition, the long arm near telomere (subtelomeric region) of chromosome pairs 2, 3 and 4 showed clearly observable heteromorphic nucleolar organization regions (NORs) (2a2b, 3a3b, 4a4b). This is the first report on natural polymorphism of NORs. The microsatellites d(AC) 15 accumulated at the telomeres of several pairs and interstitial sites of some chromosomes. The microsatellites d(CGG) 10 highly accumulated at the correspondence sites of NORs. FISH with the telomeric probe revealed hybridization signals on each telomere of all chromosomes and interstitial telomeric sites were not detected. The karyotype formula could be deduced as:

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Section: Resultscontrasting

confidence: 96%

Section: Resultssupporting

confidence: 85%

Section: Resultssupporting

confidence: 79%

Section: Resultsmentioning

confidence: 95%

mentioning

confidence: 99%

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Cytogenetics Study and Characterization of Sumatra Serow, <i>Capricornis sumatraensis</i> (Artiodactyla, Bovidae) by Classical and FISH Techniques

et al. 2017

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Chromosome‐Level Genome Assembly for the Chinese Serow (Capricornis milneedwardsii) Provides Insights Into Its Taxonomic Status and Evolution

Li,

Yang,

et al. 2024

Ecology and Evolution

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Chinese serow (Capricornis milneedwardsii) is mainly distributed in the south of Yellow River in China, which has been listed as vulnerable by the International Union for Conservation of Nature (IUCN). However, the reference genome of serow has not been reported and its taxonomic status is still unclear. Here, we first constructed a high‐quality chromosome‐level reference genome of C. milneedwardsii using PacBio long HiFi reads combined with Hi‐C technology. The assembled genome was ~2.83 Gb in size, with a contig N50 of 100.96 Mb and scaffold N50 of 112.75 Mb, which were anchored onto 24 chromosomes. Furthermore, we found that the Chinese serow was more closely related to muskox, which diverged from ~4.85 million years ago (Mya). Compared to the karyotype of goat (2n = 60), we found the Chinese serow (2n = 48) experienced six chromosome fusions, which resulted in the formation of six central centromere chromosomes. We also identified two positively selected genes (MYH6 and DCSTAMP) specific to Chinese serow, which were involved in ‘viral myocarditis’ and ‘Cardiac muscle contraction’. Interestingly, compared to other Caprinae animals, the MYH6 protein of Chinese serow occurred two mutations (E1520S and G1521S), which might be related to hypoxia tolerance. The high‐quality reference genome of C. milneedwardsii provides a valuable information for protection of serows and insights into its evolution.

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Evolutionary Pathway of Chromosomes of the Capricornis

Soma¹,

Kada²

1984

One Medicine

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The Chromosomes of the Sumatran Serow

Cited by 5 publications

References 4 publications

Cytogenetics Study and Characterization of Sumatra Serow, <i>Capricornis sumatraensis</i> (Artiodactyla, Bovidae) by Classical and FISH Techniques

Cytogenetics Study and Characterization of Sumatra Serow, <i>Capricornis sumatraensis</i> (Artiodactyla, Bovidae) by Classical and FISH Techniques

Chromosome‐Level Genome Assembly for the Chinese Serow (Capricornis milneedwardsii) Provides Insights Into Its Taxonomic Status and Evolution

Evolutionary Pathway of Chromosomes of the Capricornis

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