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

Key Reference Paper

1. (Feng et al., 2021)

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

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_g15452-
HK74SY85_g15453G-PROTEIN COUPLED RECEPTOR 158-RELATED
HK74SY85_g15454-
HK74SY85_g15455ELONGATOR COMPLEX PROTEIN 6
HK74SY85_g15456GNAT FAMILY N-ACETYLTRANSFERASE
HK74SY85_g15457CHROMOSOME TRANSMISSION FIDELITY FACTOR 18
HK74SY85_g15458-
HK74SY85_g15459-
HK74SY85_g1546LD44762P
HK74SY85_g15460CYCLINS
HK74SY85_g15461MEMBRANE-SPANNING 4-DOMAINS SUBFAMILY A MS4A -RELATED
HK74SY85_g15462-
HK74SY85_g15463-
HK74SY85_g15464ECTONUCLEOTIDE PYROPHOSPHATASE/PHOSPHODIESTERASE
HK74SY85_g15465ACIREDUCTONE DIOXYGENASE
HK74SY85_g15466SYNDECAN
HK74SY85_g15467OLFACTORY RECEPTOR AND ADENOSINE RECEPTOR
HK74SY85_g15468UNCHARACTERIZED
HK74SY85_g15469RBR FAMILY RING FINGER AND IBR DOMAIN-CONTAINING
HK74SY85_g1547-

Results of comparison between Paraphelliactis xishaensis sp. nov. and its nearshore relatives from the paper (Feng et al., 2021)

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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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