About Lindaspio polybranchiata

Lindaspio polybranchiata is a species of polychaete worm in the family Spionidae. It is known for its unique multiple branchial filaments, which aid in respiration and feeding. This species is typically found in deep-sea environments, often inhabiting soft sediments where it constructs burrows. Like other spionids, it uses its specialized palps to collect organic particles from the surrounding water and sediment, serving as a deposit feeder. Its adaptations to low-oxygen environments and its role in benthic ecosystems make it an important species for studying deep-sea biodiversity and ecological processes.

Classification

Animalia (Kingdom); Annelida (Phylum); Polychaeta (Class); Sedentaria (Subclass); Canalipalpata (Infraclass); Spionida (Order); Spioniformia (Suborder); Spionidae (Family); Lindaspio (Genus); Lindaspio polybranchiata (Species)

Original Name

Lindaspio polybranchiata Sui, Dong, Wu & Li, 2023

Key Reference Paper

1. Sui J, Dong D, Wu X, et al.  A new species of the genus Lindaspio Blake & Maciolek, 1992 (Annelida, Spionidae) from a cold seep near Hainan Island, China[J]. ZooKeys, 2023, 1153: 105. (Sui et al., 2023)

Description

Total length 55 mm, maximum width 4 mm, including chaetae. More than 350 crowded chaetigers. Color pale in alcohol. Prostomium incised, developed into two frontal lobes or weak horns; caruncle present or absent; occipital tentacle absent. Peristomial wings absent. Notopodia of chaetigers 2–4 with fascicles of heavy spines. Anterior neuropodial spines present. Dorsal branchiae starting from chaetiger 2; ventral branchiae starting from an anterior segment, branchiae closely associated with parapodial lamellae, continuing to posterior end. Chaetiger 1 reduced, with notopodia reduced to single lamellae lacking notochaetae. Following notopodia and neuropodia with capillaries and hooded hooks. Pygidium simple, conical, lacking cirri.

Etymology

The species is so named because it has more neuropodial branchiae than the congeners.

Distribution

Lingshui cold seep cruise, Faxian Dive 252, 1758 m, 17°37'N, 111°03'E, coll. crew of R/V Kexue


Basic Information
SpeciesPhylumCommon NameEcosystemDepthHabitatNCBI Taxonomy ID
Lindaspio polybranchiataAnnelida-Cold seep1,700Lingshui Cold Seep3032291

Genome Assembly Information
Genome AssemblyGenome SizeAssembly levelReleased yearWGS accessionSubmitterBioProjectBUSCO completeness (%)Scaffold/Contig N50 (kb)GC content (%)Repeat Rate (%)Gene Number
-1.66GbContig2025--PRJNA118820790.10 ---27,746

References
TitleJournalPubmed ID
Degenerated vision, altered lipid metabolism, and expanded chemoreceptor repertoires enable Lindaspio polybranchiata to thrive in deep-sea cold seepsBMC Biology39806408

Results of comparison between Lindaspio polybranchiata and its nearshore relatives from the paper (Yan et al., 2025)

<< First 11 12 13 14 15 16 17 18 19 20 Forward> Last>>        53 pages in total

Annotation IDDescriptionTypeSubtypeGeneRatioEvolution TypeP-valueQ-value
GO:0045468regulation of R8 cell spacing in compound eyeGOBiological Process5expanded1.13E-050.000147133
GO:0060125negative regulation of growth hormone secretionGOBiological Process5expanded1.13E-050.000147133
GO:0060712spongiotrophoblast layer developmentGOBiological Process5expanded1.13E-050.000147133
GO:0070592cell wall polysaccharide biosynthetic processGOBiological Process5expanded1.13E-050.000147133
GO:0030957Tat protein bindingGOMolecular Function6expanded1.13E-056.87E-05
GO:0004871signal transducer activityGOMolecular Function47expanded1.20E-057.17E-05
GO:0031998regulation of fatty acid beta-oxidationGOBiological Process7expanded1.28E-050.000165479
GO:0001618virus receptor activityGOMolecular Function5expanded1.33E-057.90E-05
GO:0042596fear responseGOBiological Process9expanded1.43E-050.000184211
GO:0001586Gi/o-coupled serotonin receptor activityGOMolecular Function4expanded1.43E-058.23E-05
GO:0016756glutathione gamma-glutamylcysteinyltransferase activityGOMolecular Function4expanded1.43E-058.23E-05
GO:0051186cofactor metabolic processGOBiological Process39expanded1.45E-050.00018673
GO:0051588regulation of neurotransmitter transportGOBiological Process17expanded1.46E-050.00018673
GO:0042756drinking behaviorGOBiological Process6expanded1.60E-050.000202789
GO:0051956negative regulation of amino acid transportGOBiological Process6expanded1.60E-050.000202789
GO:0038039G-protein coupled receptor heterodimeric complexGOCellular Component5expanded1.65E-050.000224304
GO:0051054positive regulation of DNA metabolic processGOBiological Process20expanded1.71E-050.000216487
GO:0006479protein methylationGOBiological Process19expanded1.73E-050.000216487
GO:0008213protein alkylationGOBiological Process19expanded1.73E-050.000216487
GO:0044264cellular polysaccharide metabolic processGOBiological Process13expanded2.00E-050.000239035
TOP