About Paraescarpia echinospica

The vestimentiferan Paraescarpia echinospica is widely distributed in the cold seeps and methane seeps of the western Pacific Ocean, and relies on their endosymbiont bacteria as a source of energy and organic carbon. It's gutless and depends entirely on its endosymbiotic sulfide-oxidizing chemoautotrophic bacteria for nutrition. Its mechanisms of host–symbiont cooperation in energy production and nutrient biosynthesis and utilization have recently been documented through a study of its endosymbiont genome and metaproteome.

Classification

Animalia (Kingdom); Annelida (Phylum); Polychaeta (Class); Sedentaria (Subclass); Canalipalpata (Infraclass); Sabellida (Order); Siboglinidae (Family); Paraescarpia (Genus); Paraescarpia echinospica (Species)

Original Name

Paraescarpia echinospica Southward, Schulze & Tunnicliffe, 2002

Key Reference Paper

1. Southward E C, Schulze A, Tunnicliffe V. Vestimentiferans (Pogonophora) in the Pacific and Indian Oceans: a new genus from Lihir Island (Papua New Guinea) and the Java Trench, with the first report of Arcovestia ivanovi from the North Fiji Basin[J]. Journal of natural History, 2002, 36(10): 1179-1197. (Southward et al., 2010)

Distribution

Edison Seamount, Lihir Island, -3.3178 (3° 19' 4" S) 152.5847 (152° 35' 5" E)


Basic Information
SpeciesPhylumCommon NameEcosystemDepthHabitatNCBI Taxonomy ID
Paraescarpia echinospicaAnnelidadeep-sea tubewormCold seep/Hydrothermal vent1100-1600Haima cold seep in the South China Sea (16°43.80′N, 110°28.50′E)2080241

Genome Assembly Information
Genome AssemblyGenome SizeAssembly levelReleased yearWGS accessionSubmitterBioProjectBUSCO completeness (%)Scaffold/Contig N50 (kb)GC content (%)Repeat Rate (%)Gene Number
HKBU_Pec_v11.09GbChromosome2021JAHLWY01Hong Kong University of Science and TechnologyPRJNA62561696.40 67,235/253.6415522,642

References
TitleJournalPubmed ID
Genomic Signatures Supporting the Symbiosis and Formation of Chitinous Tube in the Deep-Sea Tubeworm Paraescarpia echinospicaMolecular Biology and Evolution34255082

Gene Information

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Gene IDDescription
PE_Scaf12174_0.6VACUOLAR PROTEIN SORTING-ASSOCIATED PROTEIN VPS13
PE_Scaf12174_0.7MULTIPLE COAGULATION FACTOR DEFICIENCY PROTEIN 2 NEURAL STEM CELL DERIVED NEURONAL SURVIVAL PROTEIN
PE_Scaf12175_0.1-
PE_Scaf12175_0.4SH3 DOMAIN-CONTAINING
PE_Scaf12183_0.5-
PE_Scaf12186_0.10LITHOSTATHINE
PE_Scaf12186_0.4-
PE_Scaf12187_0.2LETHAL 2 GIANT LARVAE PROTEIN
PE_Scaf12187_1.0TRANSPOSON
PE_Scaf12187_1.5COPROPORPHYRINOGEN III OXIDASE, MITOCHONDRIAL
PE_Scaf12190_0.4FMRFAMIDE RECEPTOR-RELATED
PE_Scaf12190_0.7TRANSFERASE, PUTATIVE-RELATED
PE_Scaf12192_1.4OPSIN
PE_Scaf12192_2.2OSJNBA0004B13.7 PROTEIN
PE_Scaf12192_3.5FTP DOMAIN-CONTAINING PROTEIN
PE_Scaf12192_3.6RNA-BINDING (RRM/RBD/RNP MOTIFS) FAMILY PROTEIN
PE_Scaf12192_4.0SI:CH73-193C12.2-RELATED
PE_Scaf12192_4.7-
PE_Scaf12192_4.8PORCUPINE
PE_Scaf12197_0.2STRUCTURAL MAINTENANCE OF CHROMOSOMES SMC FAMILY MEMBER

Results of comparison between Paraescarpia echinospica and its nearshore relatives from the paper (Sun et al., 2021)

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Annotation IDDescriptionTypeSubtypeGeneRatioEvolution TypeP-valueQ-value
GO:0006508proteolysisGOBiological process12expanded2.31E-072.41E-05
GO:0005576extracellular regionGOCellular component10expanded3.02E-072.41E-05
GO:0045095keratin filamentGOCellular component4expanded5.74E-060.000306097
GO:0006352DNA-templated transcription, initiationGOBiological process4expanded2.55E-050.00102057
GO:0043086negative regulation of catalytic activityGOBiological process3expanded4.91E-050.001572479
GO:0008168methyltransferase activityGOMolecular function7expanded0.0001422340.003792909
GO:0032259methylationGOBiological process7expanded0.0002196730.005021108
GO:0030414peptidase inhibitor activityGOMolecular function3expanded0.0002632660.005265319
GO:0071557histone H3-K27 demethylationGOBiological process3expanded0.0007499840.009230577
GO:0071558histone demethylase activity (H3-K27 specific)GOMolecular function3expanded0.0007499840.009230577
GO:0008201heparin bindingGOMolecular function2expanded0.00121230.01385486
GO:0007399nervous system developmentGOBiological process3expanded0.0013018080.013857991
GO:0015031protein transportGOBiological process5expanded0.0015473570.013857991
GO:0006413translational initiationGOBiological process4expanded0.0018188610.013857991
GO:0003743translation initiation factor activityGOMolecular function4expanded0.0015621160.013857991
GO:0003723RNA bindingGOMolecular function8expanded0.0016754420.013857991
GO:0005581collagen trimerGOCellular component3expanded0.0014959680.013857991
GO:0005575cellular_componentGOCellular component4expanded0.00202970.014761451
GO:0000272polysaccharide catabolic processGOBiological process2expanded0.0024185970.016825021
GO:0015074DNA integrationGOBiological process3expanded0.0025911760.017274507
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