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_g3401-
HK74SY85_g3402TRANSCRIPTIONAL REGULATOR
HK74SY85_g3403-
HK74SY85_g3404PRENYLTRANSFERASES
HK74SY85_g3405CAPZ-INTERACTING PROTEIN AND RELATED PROTEINS
HK74SY85_g3406PROTEIN SIDEKICK
HK74SY85_g3407-
HK74SY85_g3408-
HK74SY85_g3409REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
HK74SY85_g341ANTHRAX TOXIN RECEPTOR
HK74SY85_g3410-
HK74SY85_g3411TUMOR SUPPRESSOR CANDIDATE 2
HK74SY85_g3412RASSF
HK74SY85_g3413N-ACETYLGLUCOSAMINE-6-SULFATASE FAMILY MEMBER
HK74SY85_g341440S RIBOSOMAL PROTEIN S3A
HK74SY85_g3415UNCHARACTERIZED
HK74SY85_g3416PROTEASE S8 TRIPEPTIDYL PEPTIDASE I CLN2
HK74SY85_g3417SPHINGOSINE KINASE
HK74SY85_g3418UNCHARACTERIZED
HK74SY85_g3419NUCLEOPORIN P58/P45 NUCLEOPORIN-LIKE PROTEIN 1

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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