About Bathyacmaea lactea

The deep-sea limpet Bathyacmaea lactea is a species in the family Acmaeidae. And it is a common species associated with the dominant mussel beds in cold seeps. They can feed on bacteria and decomposing the periostracum of Bathymodiolus shells, which make deep-sea limpets different from the well-studied symbionts.

Classification

Animalia (Kingdom); Mollusca (Phylum); Gastropoda (Class); Patellogastropoda (Subclass); Lottioidea (Superfamily); Pectinodontidae (Family); Bathyacmaea (Genus); Bathyacmaea lactea (Species)

Original Name

Bathyacmaea lactea S.-Q. Zhang, J.-L. Zhang & S.-P. Zhang, 2016

Key Reference Paper

1. Zhang S, Zhang J, Zhang S. A new species of Bathyacmaea (Gastropoda: Pectinodontidae) from a methane seep area in the South China Sea[J]. Nautilus, 2016, 130(1): 1-4. (Zhang et al., 2016)

Description

Shell whitish, longitudinally elongated. Shell surface with relatively smooth sculpture consisting of dense growth lines and microscopic radial threads. Apertural margin strongly chipped, forming denticle-like structure. Radular formula 0-1-0-1-0. Lateral teeth trifurcated, with straight, stout shaft. All three cusps out¬ wardly bent; innermost and middle cups sickle-shaped and subequal in size, outermost one smallest, with acute tip

Etymology

Latin lactea, meaning milky white, a reference to die shell color of the new species

Distribution

A methane seep area at 22°07' N, 119° 18' E, in 1132.5 m depth. South China Sea


Basic Information
SpeciesPhylumCommon NameEcosystemDepthHabitatNCBI Taxonomy ID
Bathyacmaea lacteaMolluscadeep-sea limpet Bathyacmaea lacteaCold seep1,388Haima cold seeps in the South China Sea2049241

Genome Assembly Information
Genome AssemblyGenome SizeAssembly levelReleased yearWGS accessionSubmitterBioProjectBUSCO completeness (%)Scaffold/Contig N50 (kb)GC content (%)Repeat Rate (%)Gene Number
-754.3MbContig2020-Hong Kong University of Science and TechnologyPRJNA588374 94.30 157032.6761.423,574

References
TitleJournalPubmed ID
De Novo Genome Assembly of Limpet Bathyacmaea lactea (Gastropoda: Pectinodontidae): The First Reference Genome of a Deep-Sea Gastropod Endemic to Cold SeepsGenome Biol Evol32467969

Gene Information

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Gene IDDescription
MBSQW58_g1-
MBSQW58_g10MONOCARBOXYLATE TRANSPORTER
MBSQW58_g100GLUCOSE-6-PHOSPHATASE
MBSQW58_g1000NUCLEAR HORMONE RECEPTOR
MBSQW58_g10000-
MBSQW58_g10001PIGGYBAC TRANSPOSABLE ELEMENT-DERIVED PROTEIN 4
MBSQW58_g10002EPM2A-INTERACTING PROTEIN 1
MBSQW58_g10003PIGGYBAC TRANSPOSABLE ELEMENT-DERIVED PROTEIN 4
MBSQW58_g10004-
MBSQW58_g10005EPM2A-INTERACTING PROTEIN 1
MBSQW58_g10006EPM2A-INTERACTING PROTEIN 1
MBSQW58_g10007UNCHARACTERIZED
MBSQW58_g10008-
MBSQW58_g10009RAS-ASSOCIATING DOMAIN-CONTAINING PROTEIN
MBSQW58_g1001HISTIDINE-RICH GLYCOPROTEIN
MBSQW58_g10010-
MBSQW58_g10011-
MBSQW58_g10012EUKARYOTIC TRANSLATION INITIATION FACTOR 3 -RELATED
MBSQW58_g10013UNCHARACTERIZED
MBSQW58_g10014TUBULIN

Results of comparison between Bathyacmaea lactea and its nearshore relatives from the paper (Liu et al., 2020)

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Annotation IDDescriptionTypeSubtypeGeneRatioEvolution TypeP-valueQ-value
GO:0080090regulation of primary metabolic processGOBiological Process-rapid evolution1.78E-812.04E-79
GO:0016773phosphotransferase activity, alcohol group as acceptorGOMolecular Function-rapid evolution4.97E-815.62E-79
GO:0016773phosphotransferase activity, alcohol group as acceptorGOMolecular Function-expanded-0.013988035
GO:0060255regulation of macromolecule metabolic processGOBiological Process-rapid evolution6.84E-767.66E-74
GO:0019219regulation of nucleobase-containing compound metabolic processGOBiological Process-rapid evolution5.59E-746.20E-72
GO:0051171regulation of nitrogen compound metabolic processGOBiological Process-rapid evolution5.59E-746.20E-72
GO:0010468regulation of gene expressionGOBiological Process-rapid evolution1.87E-722.04E-70
GO:0009889regulation of biosynthetic processGOBiological Process-rapid evolution4.92E-725.32E-70
GO:0010556regulation of macromolecule biosynthetic processGOBiological Process-rapid evolution4.92E-725.32E-70
GO:0031326regulation of cellular biosynthetic processGOBiological Process-rapid evolution4.92E-725.32E-70
GO:2000112regulation of cellular macromolecule biosynthetic processGOBiological Process-rapid evolution4.92E-725.32E-70
GO:0051252regulation of RNA metabolic processGOBiological Process-rapid evolution2.39E-682.48E-66
GO:0006464cellular protein modification processGOBiological Process-rapid evolution3.42E-683.52E-66
GO:0036211protein modification processGOBiological Process-rapid evolution3.42E-683.52E-66
GO:0006355regulation of transcription, DNA-templatedGOBiological Process-rapid evolution6.40E-686.46E-66
GO:2001141regulation of RNA biosynthetic processGOBiological Process-rapid evolution6.40E-686.46E-66
GO:0044237cellular metabolic processGOBiological Process-rapid evolution1.21E-461.19E-44
GO:0044237cellular metabolic processGOBiological Process-expanded-3.09E-09
GO:0017076purine nucleotide bindingGOMolecular Function-rapid evolution3.25E-443.19E-42
GO:0017076purine nucleotide bindingGOMolecular Function-expanded-1.87E-05
GO:0032553ribonucleotide bindingGOMolecular Function-rapid evolution3.25E-443.19E-42
GO:0032553ribonucleotide bindingGOMolecular Function-expanded-2.11E-05
GO:0032555purine ribonucleotide bindingGOMolecular Function-rapid evolution3.25E-443.19E-42
GO:0032555purine ribonucleotide bindingGOMolecular Function-expanded-2.11E-05
GO:0005634nucleusGOCellular Component-rapid evolution1.43E-431.35E-41
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