Caenorhabditis sinica: Difference between revisions
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'''''Caenorhabditis sinica''''', is a species of ''[[Caenorhabditis]]'' nematodes, belonging to the ''Elegans'' super-group and ''Elegans'' group within the genus<sup>[1]</sup>, It is closely related to several species isolated from the lands adjacent to the Indian and Pacific Oceans, as well as to ''C. briggsae'' and ''C. nigoni.'' The species was known as “''C. sp. 5''” prior to 2014<sup>[3]</sup>. ''C. sinica'' is known for having very high genetic diversity in its genome<sup>[2]</sup>. Like other ''[[Caenorhabditis]]'' species, ''C. sinica'' is a ~1mm long roundworm with a transparent [[cuticle]] and that eats bacteria<sup>[4]</sup>. Wild isolate strains of ''C. sinica'' have been collected from various rotting plant tissue substrates in temperate and tropical regions throughout China since its initial isolation in 2005<sup>[2,3]</sup>. |
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'''''Caenorhabditis sinica''''', prior to 2014 described as ''sp. 5'', is a species of [[nematode]]s in the genus ''[[Caenorhabditis]]''. It is found in East Asia. It is found frequently in China. |
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=== Anatomy === |
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Measurements of adult ''C. sinica'' returned a mean body length of 1531.9μm for females and 959.81μm for males. The average male size of ''C. sinica'' is comparatively larger than males from the model system ''[[Caenorhabditis elegans|C. elegans]]'' (824.74μm)<sup>[3]</sup>. ''C. sinica'' is morphologically distinct from all other Caenorhabditis species within the Elegans group due to the presence of a distinct three-pointed hook on the male precloacal lip, part of the male reproductive structure<sup>[3]</sup>. |
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==== Spicule Shape ==== |
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The spicules of ''C. sinica'' males consist of a long, slender, pointed, and simple morphology, which is a common feature among ''Caenorhabditis'' species outside of the ''Elegans'' super-group (with the exception of ''C. japonica'' and ''C. afra'')<sup>[1]</sup>. |
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=== Reproduction === |
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Like most species of ''Caenorhabditis'', ''C. sinica'' demonstrates a [[gonochoristic]] mode of reproduction, with populations containing both female and male sexes. This reproductive mode contrasts with ''C. elegans'' and ''C. briggsae'' which demonstrate an [[androdioecious]] mode of reproduction, such that populations primarily include self-fertile hermaphrodites with more rare males<sup>[1]</sup>. |
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==== Hybridization ==== |
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In the lab, ''C. sinica'' can hybridize with ''C. nigoni'' to form young larvae, and can hybridize with ''C. briggsae'' to form young deformed female larvae. These hybrids do not yield fertile adults. Hybridization of ''C. sinica'' with 9 other ''Caenorhabditis'' species was attempted, but was unsuccessful (''C. elegans, C. remanei'', ''C. japonica'', ''C. doughertyi, C. afra, C. wallacei, C. brenneri, C. nouraguensis, C. macrosperma''). |
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<sup>[1]</sup>. |
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=== Ecology === |
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''C. sinica'' was initially isolated in 2005 from Guangxi, China<sup>[4]</sup>. Since then, ''C. sinica'' has been isolated from rotting fruit, rotting leaves, isopods and soil substrates in temperate and tropical regions in China. Samples have been collected from the Chinese provinces of Guangdong, Hubei, Guangxi, Jiangsu and Zhejiang as well as from Bac Kan, Vietnam<sup>[2]</sup>. ''C. sinica'' has not been isolated from regions outside of East Asia so far. |
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=== Genetics === |
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==== Genome size and protein coding genes ==== |
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The genome of ''C. sinica'' (strain JU800) consists of approximately 130.76 million base pairs and 34,696 protein coding genes. These genome characteristics make it larger than the ''C. elegans'' genome, which consists of around 100.29 million base pairs and 20,326 protein coding genes<sup>[5]</sup>. Like all known ''Caenorhabditis'' species, its genome is partitioned into six chromosomes (five autosomes and one “X” sex chromosome). |
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It groups with the ''[[Caenorhabditis briggsae|C. briggsae]]''/''[[Caenorhabditis nigoni|C. nigoni]]'' branch in the 'Elegans" group in phylogenetics studies.<ref name=Felix>{{cite journal|last1=Félix|first1=Marie-Anne|last2=Braendle|first2=Christian|last3=Cutter|first3=Asher D.|title=A Streamlined System for Species Diagnosis in Caenorhabditis (Nematoda: Rhabditidae) with Name Designations for 15 Distinct Biological Species|journal=PLOS ONE|date=April 11, 2014|doi=10.1371/journal.pone.0094723|volume=9|issue=4|pages=e94723|pmc=3984244|pmid=24727800|bibcode=2014PLoSO...994723F|doi-access=free}}</ref> |
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== References == |
== References == |
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{{ |
{{realist}} |
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1. <ref>{{cite journal |last1=Kiontke |first1=KC |last2=Felix |first2=MA |last3=Ailion |first3=M |last4=Rockman |first4=MV |last5=Braendle |first5=C |last6=Penigault |first6=JB |last7=Fitch |first7=D |title=A Phylogeny of molecular barcodes for ''Caenorhabditis'', with numerous new species from rotting fruits. |journal=BMC Evolutionary Biology |volume=11 |issue=339 |doi=https://doi.org/10.1186/1471-2148-11-339}}</ref>Caenorhabditis sp. 5 | doi = 10.1111/j.1365-294x.2010.04862.x | journal = Molecular Ecology | year = 2010 | volume = 19| issue = 22 | pages = 5022–5029 | pmid = 20958820 | s2cid = 25253793 }} |
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2. <ref>{{cite journal |last1=Wang |first1=GX |last2=Ren |first2=S |last3=Ren |first3=Y |last4=Ai |first4=H |last5=Cutter |first5=AD |title=Extremely high molecular diversity within the East Asian nematode ''Caenorhabditis sp''. 5 |journal=Molecular Ecology |volume=19 |issue=22 |page=5022-5029 |doi=doi:10.1111/j.1365-294X.2010.04862.x.}}</ref> |
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3. <ref>{{cite journal |last1=Huang |first1=RE |last2=Ren |first2=X |last3=Qiu |first3=Y |last4=Zhao |first4=Z |title=Description of ''Caenorhabditis sinica sp''. n. (Nematoda: Rhabditidae), a Nematode species used in comparative biology for ''C. elegans''. |journal=PLOS ONE |volume=9 |issue=11 |doi=https://doi.org/10.1371/journal.pone.0110957}}</ref> |
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4. <ref>{{cite journal |last1=Kiontke |first1=KC |last2=Sudhaus |first2=W |title=Ecology of ''Caenorhabditis'' species |volume=In: WormBook |url=http://www.wormbook.org.}}</ref> |
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5. <ref>{{cite journal |last1=Slos |first1=D |last2=Sudhaus |first2=W |last3=Stevens |first3=L |last4=Bert |first4=W |title=''Caenorhabditis monodelphis sp''. n.: defining the stem morphology and genomics of the genus ''Caenorhabditis'' |journal=BMC Zoology |volume=2 |issue=4 |doi=https://bmczool.biomedcentral.com/articles/10.1186/s40850-017-0013-2}}</ref> |
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== External links == |
== External links == |
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Revision as of 18:01, 24 October 2021
| Caenorhabditis sinica | |
|---|---|
| |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Nematoda |
| Class: | Chromadorea |
| Order: | Rhabditida |
| Family: | Rhabditidae |
| Genus: | Caenorhabditis |
| Species: | C. sinica
|
| Binomial name | |
| Caenorhabditis sinica Huang et al, 2014[1]
| |
| Synonyms | |
|
Caenorhabditis sp. 5 | |
Caenorhabditis sinica, is a species of Caenorhabditis nematodes, belonging to the Elegans super-group and Elegans group within the genus[1], It is closely related to several species isolated from the lands adjacent to the Indian and Pacific Oceans, as well as to C. briggsae and C. nigoni. The species was known as “C. sp. 5” prior to 2014[3]. C. sinica is known for having very high genetic diversity in its genome[2]. Like other Caenorhabditis species, C. sinica is a ~1mm long roundworm with a transparent cuticle and that eats bacteria[4]. Wild isolate strains of C. sinica have been collected from various rotting plant tissue substrates in temperate and tropical regions throughout China since its initial isolation in 2005[2,3].
Anatomy
Measurements of adult C. sinica returned a mean body length of 1531.9μm for females and 959.81μm for males. The average male size of C. sinica is comparatively larger than males from the model system C. elegans (824.74μm)[3]. C. sinica is morphologically distinct from all other Caenorhabditis species within the Elegans group due to the presence of a distinct three-pointed hook on the male precloacal lip, part of the male reproductive structure[3].
Spicule Shape
The spicules of C. sinica males consist of a long, slender, pointed, and simple morphology, which is a common feature among Caenorhabditis species outside of the Elegans super-group (with the exception of C. japonica and C. afra)[1].
Reproduction
Like most species of Caenorhabditis, C. sinica demonstrates a gonochoristic mode of reproduction, with populations containing both female and male sexes. This reproductive mode contrasts with C. elegans and C. briggsae which demonstrate an androdioecious mode of reproduction, such that populations primarily include self-fertile hermaphrodites with more rare males[1].
Hybridization
In the lab, C. sinica can hybridize with C. nigoni to form young larvae, and can hybridize with C. briggsae to form young deformed female larvae. These hybrids do not yield fertile adults. Hybridization of C. sinica with 9 other Caenorhabditis species was attempted, but was unsuccessful (C. elegans, C. remanei, C. japonica, C. doughertyi, C. afra, C. wallacei, C. brenneri, C. nouraguensis, C. macrosperma). [1].
Ecology
C. sinica was initially isolated in 2005 from Guangxi, China[4]. Since then, C. sinica has been isolated from rotting fruit, rotting leaves, isopods and soil substrates in temperate and tropical regions in China. Samples have been collected from the Chinese provinces of Guangdong, Hubei, Guangxi, Jiangsu and Zhejiang as well as from Bac Kan, Vietnam[2]. C. sinica has not been isolated from regions outside of East Asia so far.
Genetics
Genome size and protein coding genes
The genome of C. sinica (strain JU800) consists of approximately 130.76 million base pairs and 34,696 protein coding genes. These genome characteristics make it larger than the C. elegans genome, which consists of around 100.29 million base pairs and 20,326 protein coding genes[5]. Like all known Caenorhabditis species, its genome is partitioned into six chromosomes (five autosomes and one “X” sex chromosome).
References
- ^ Huang, Ren-E; Ren, Xiaoliang; Qiu, Yifei; Zhao, Zhongying (2014). "Description of Caenorhabditis sinica sp. n. (Nematoda: Rhabditidae), a Nematode Species Used in Comparative Biology for C. elegans". PLOS ONE. 9 (11): e110957. Bibcode:2014PLoSO...9k0957H. doi:10.1371/journal.pone.0110957. PMC 4222906. PMID 25375770.
1. [1]Caenorhabditis sp. 5 | doi = 10.1111/j.1365-294x.2010.04862.x | journal = Molecular Ecology | year = 2010 | volume = 19| issue = 22 | pages = 5022–5029 | pmid = 20958820 | s2cid = 25253793 }} 2. [2] 3. [3] 4. [4] 5. [5]
External links
- Caenorhabditis sp. 5 at nematodes.org
 | This Rhabditida roundworm- related article is a stub. You can help Wikipedia by expanding it. |
- ^ Kiontke, KC; Felix, MA; Ailion, M; Rockman, MV; Braendle, C; Penigault, JB; Fitch, D. "A Phylogeny of molecular barcodes for Caenorhabditis, with numerous new species from rotting fruits". BMC Evolutionary Biology. 11 (339). doi:https://doi.org/10.1186/1471-2148-11-339.
{{cite journal}}: Check|doi=value (help); External link in|doi= - ^ Wang, GX; Ren, S; Ren, Y; Ai, H; Cutter, AD. "Extremely high molecular diversity within the East Asian nematode Caenorhabditis sp. 5". Molecular Ecology. 19 (22): 5022-5029. doi:doi:10.1111/j.1365-294X.2010.04862.x.
{{cite journal}}: Check|doi=value (help) - ^ Huang, RE; Ren, X; Qiu, Y; Zhao, Z. "Description of Caenorhabditis sinica sp. n. (Nematoda: Rhabditidae), a Nematode species used in comparative biology for C. elegans". PLOS ONE. 9 (11). doi:https://doi.org/10.1371/journal.pone.0110957.
{{cite journal}}: Check|doi=value (help); External link in|doi= - ^ Kiontke, KC; Sudhaus, W. "Ecology of Caenorhabditis species". In: WormBook.
{{cite journal}}: Check|url=value (help); Cite journal requires|journal=(help) - ^ Slos, D; Sudhaus, W; Stevens, L; Bert, W. "Caenorhabditis monodelphis sp. n.: defining the stem morphology and genomics of the genus Caenorhabditis". BMC Zoology. 2 (4). doi:https://bmczool.biomedcentral.com/articles/10.1186/s40850-017-0013-2.
{{cite journal}}: Check|doi=value (help); External link in|doi=