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_Scaf10000_2.0-
PE_Scaf10000_3.0-
PE_Scaf10000_3.5METHANETHIOL OXIDASE
PE_Scaf10000_4.5-
PE_Scaf10000_6.0-
PE_Scaf10000_6.7S-ADENOSYL-L-METHIONINE:CARBOXYL METHYLTRANSFERASE FAMILY PROTEIN
PE_Scaf10000_6.8OVOCHYMASE-RELATED
PE_Scaf10001_0.1-
PE_Scaf10001_0.4-
PE_Scaf10002_1.0GALACTOSE-3-O-SULFOTRANSFERASE
PE_Scaf10002_4.10UNC-13-4A, ISOFORM B
PE_Scaf10002_4.11EXTRACELLULAR MATRIX GLYCOPROTEIN RELATED
PE_Scaf10002_4.5ATP-DEPENDENT DNA HELICASE
PE_Scaf10002_5.10-
PE_Scaf10002_5.15ATP-DEPENDENT DNA HELICASE
PE_Scaf10002_5.17-
PE_Scaf10002_5.2-
PE_Scaf10003_0.10DBX
PE_Scaf10003_0.14-
PE_Scaf10003_0.9ZGC:172139

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:0010468regulation of gene expressionGOBiological process3expanded0.0027365080.017513649
GO:0005604basement membraneGOCellular component2expanded0.0031678790.019494638
GO:0006030chitin metabolic processGOBiological process3expanded0.0038953220.02308339
GO:0008233peptidase activityGOMolecular function5expanded0.0046023710.026299262
GO:0008061chitin bindingGOMolecular function3expanded0.0048812280.026930915
GO:0008234cysteine-type peptidase activityGOMolecular function3expanded0.0050948330.027172444
GO:0030198extracellular matrix organizationGOBiological process2expanded0.0054510280.027255139
GO:0044666MLL3/4 complexGOCellular component2expanded0.0054510280.027255139
GO:0031490chromatin DNA bindingGOMolecular function2expanded0.005975950.028974303
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