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 1 2 3 4 5 6 7 8 9 10 Forward> Last>>        53 pages in total

Annotation IDDescriptionTypeSubtypeGeneRatioEvolution TypeP-valueQ-value
GO:0045737positive regulation of cyclin-dependent protein serine/threonine kinase activityGOBiological Process13expanded7.03E-104.28E-08
GO:0016860intramolecular oxidoreductase activityGOMolecular Function15expanded8.60E-101.77E-08
GO:0004601peroxidase activityGOMolecular Function13expanded8.73E-101.77E-08
GO:0043566structure-specific DNA bindingGOMolecular Function23expanded1.12E-092.17E-08
GO:0007131reciprocal meiotic recombinationGOBiological Process16expanded1.30E-097.59E-08
GO:0035825reciprocal DNA recombinationGOBiological Process16expanded1.30E-097.59E-08
GO:0018872arsonoacetate metabolic processGOBiological Process6expanded1.79E-091.03E-07
GO:0016684oxidoreductase activity, acting on peroxide as acceptorGOMolecular Function13expanded1.90E-093.51E-08
GO:0033601positive regulation of mammary gland epithelial cell proliferationGOBiological Process8expanded2.34E-091.32E-07
GO:0032094response to foodGOBiological Process16expanded2.54E-091.39E-07
GO:0051446positive regulation of meiotic cell cycleGOBiological Process13expanded2.56E-091.39E-07
GO:0004065arylsulfatase activityGOMolecular Function9expanded2.99E-095.32E-08
GO:0014062regulation of serotonin secretionGOBiological Process10expanded3.14E-091.67E-07
GO:0045652regulation of megakaryocyte differentiationGOBiological Process13expanded3.46E-091.78E-07
GO:1904031positive regulation of cyclin-dependent protein kinase activityGOBiological Process13expanded3.46E-091.78E-07
GO:0071156regulation of cell cycle arrestGOBiological Process17expanded3.70E-091.87E-07
GO:0006575cellular modified amino acid metabolic processGOBiological Process28expanded4.13E-092.05E-07
GO:0007186G-protein coupled receptor signaling pathwayGOBiological Process42expanded4.31E-092.11E-07
GO:0030791arsenite methyltransferase activityGOMolecular Function6expanded5.00E-098.19E-08
GO:0030792methylarsonite methyltransferase activityGOMolecular Function6expanded5.00E-098.19E-08
TOP