About Paraphelliactis xishaensis sp. nov.

Deep-sea anemone species Paraphelliactis xishaensis sp. nov. is a newly described species of deep-sea anemone in the genus Paraphelliactis, discovered in the Xisha Trough of the South China Sea at a depth of 3,230 meters. This species is adapted to the extreme conditions of the deep sea, thriving in cold, dark, and high-pressure environments. Its discovery contributes to our understanding of the biodiversity and ecological dynamics of deep-sea ecosystems.

Classification

Animalia (Kingdom); Cnidaria (Phylum); Anthozoa (Subphylum); Hexacorallia (Class); Actiniaria (Order); Enthemonae (Suborder); Metridioidea (Superfamily); Hormathiidae (Family); Paraphelliactis (Genus); Paraphelliactis xishaensis (Species)

Original Name

Paraphelliactis xishaensis Feng, Liu, Xu, Zhou, Zhu, Liu, Wu, Li, Qiu, He, Wang, Zhang & Wang, 2021

Original Description/Redescription

1. (Feng et al., 2021)

Partial Description

Morphologically, this deep-sea anemone has an orange-brown body and markedly expanded oral disc. The column is divisible into scapus and scapulus and regularly covered with dense tubercles. No cinclides. Internal column bears acontia. These lines of characteristics suggest this anemone should belong to the genus Paraphelliactis (Actiniaria, Hormathiidae), which is also established by molecular evidence

Distribution/Locality

Xisha Trough (113.737502° E, 18.266465° N)


Basic Information
SpeciesPhylumCommon NameEcosystemDepthHabitatNCBI Taxonomy ID
Paraphelliactis xishaensis sp. nov.CnidariaParaphelliactis xishaensisDeep sea3,230Xisha Trough (113.737502° E, 18.266465° N)2836328

Genome Assembly Information
Genome AssemblyGenome SizeAssembly levelReleased yearWGS accessionSubmitterBioProjectBUSCO completeness (%)Scaffold/Contig N50 (kb)GC content (%)Repeat Rate (%)Gene Number
-542.9MbContig2021-Northwestern Polytechnical UniversityPRJNA58837489.50 761.137.556.632,549

References
TitleJournalPubmed ID
The genome of a new anemone species (Actiniaria: Hormathiidae) provides insights into deep-sea adaptationDeep Sea Research Part ILink

Gene Information

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Gene IDDescription
HK74SY85_g16532CASPASE RECRUITMENT DOMAIN-CONTAINING PROTEIN 18
HK74SY85_g16533SEPIAPTERIN REDUCTASE
HK74SY85_g16534OLFACTORY RECEPTOR AND ADENOSINE RECEPTOR
HK74SY85_g16535-
HK74SY85_g16536TETRATRICOPEPTIDE REPEAT PROTEIN (AFU_ORTHOLOGUE AFUA_6G03870)
HK74SY85_g16537LIPOPOLYSACCHARIDE CHOLINEPHOSPHOTRANSFERASE LICD
HK74SY85_g16538-
HK74SY85_g16539-
HK74SY85_g1654-
HK74SY85_g16540-
HK74SY85_g16541-
HK74SY85_g16542REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
HK74SY85_g16543TETRATRICOPEPTIDE REPEAT PROTEIN (AFU_ORTHOLOGUE AFUA_6G03870)
HK74SY85_g16544MUCOSA ASSOCIATED LYMPHOID TISSUE LYMPHOMA TRANSLOCATION PROTEIN 1/PARACASPASE
HK74SY85_g16545TETRATRICOPEPTIDE REPEAT PROTEIN (AFU_ORTHOLOGUE AFUA_6G03870)
HK74SY85_g16546-
HK74SY85_g16547BLUE CHEESE
HK74SY85_g16548UNCHARACTERIZED
HK74SY85_g16549SH3 DOMAIN-CONTAINING
HK74SY85_g1655SMALL NUCLEAR RIBONUCLEOPROTEIN SM D2

Comparative Genomic Information (Based on comparison with nearshore relatives)

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Annotation IDDescriptionTypeSubtypeGeneRatioEvolution TypeP-valueQ-value
GO:0032211negative regulation of telomere maintenance via telomeraseGOBiological Process-expanded-3.70E-136
GO:0010521telomerase inhibitor activityGOMolecular Function-expanded-1.05E-120
GO:0051974negative regulation of telomerase activityGOBiological Process-expanded-1.05E-120
GO:0044806G-quadruplex DNA unwindingGOBiological Process-expanded-4.13E-120
GO:0000002mitochondrial genome maintenanceGOBiological Process-expanded-8.86E-114
GO:0005657replication forkGOCellular Component-expanded-9.10E-112
GO:0032508DNA duplex unwindingGOBiological Process-expanded-1.48E-99
GO:0006260DNA replicationGOBiological Process-expanded-6.81E-89
GO:0030491heteroduplex formationGOBiological Process-expanded-2.18E-44
GO:0031627telomeric loop formationGOBiological Process-expanded-1.79E-41
GO:0098505G-rich strand telomeric DNA bindingGOMolecular Function-expanded-1.79E-41
GO:2000001regulation of DNA damage checkpointGOBiological Process-expanded-1.79E-41
GO:0000783nuclear telomere cap complexGOCellular Component-expanded-6.94E-39
GO:0006268DNA unwinding involved in DNA replicationGOBiological Process-expanded-6.94E-39
GO:0000722telomere maintenance via recombinationGOBiological Process-expanded-1.44E-36
GO:0000794condensed nuclear chromosomeGOCellular Component-expanded-1.44E-36
GO:0005662DNA replication factor A complexGOCellular Component-expanded-1.44E-36
GO:0051096positive regulation of helicase activityGOBiological Process-expanded-1.44E-36
GO:0000724double-strand break repair via homologous recombinationGOBiological Process-expanded-5.66E-35
GO:0003691double-stranded telomeric DNA bindingGOMolecular Function-expanded-1.76E-34
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