Putative new groups of invertebrate water channels based on the snail Helix pomatia L. (Helicidae) MIP protein identification and phylogenetic analysis

Kosicka, Ewa; Grobys, Daria; Kmita, Hanna; Lesicki, Andrzej; Pieńkowska, Joanna R.

doi:10.1016/j.ejcb.2016.09.001

Cited by 11 publications

(23 citation statements)

References 42 publications

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“…In addition, a group consisting of representatives from the brachiopod Lingula and the freshwater annelid leech Helobdella robusta were found to branch between the aquaammoniaporins and the EGLPs. No support for the malacoglyceroporin (Mglp) clade was found in our study 70 , 73 …”

Section: Resultscontrasting

confidence: 68%

“…3b;Supplementary Material SM 6). Entomoglyceroporins (EGLPs), 69 malacoaquaporins, 70 Drosophila intrinsic proteins (DRIPs) 71 and Pyrocoelia rufa integral proteins (PRIPs) 72 were also resolved. In addition, a group consisting of representatives from the brachiopod Lingula and the freshwater annelid leech Helobdella robusta were found to branch between the aquaammoniaporins and the EGLPs.…”

Section: Resultsmentioning

confidence: 99%

“…In humans, aquaporins are associated with a number of pathologies and are important components of the eye, blood–brain-barrier and kidney 84 . In molluscs, the diversity and function of aquaporins are less well described although mollusc-specific aquaporin clades have been identified 70 , 73 …”

Section: Discussionmentioning

confidence: 99%

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The quagga mussel genome and the evolution of freshwater tolerance

et al. 2019

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Freshwater dreissenid mussels evolved from marine ancestors during the Miocene ∼30 million years ago and today include some of the most successful and destructive invasive species of freshwater environments. Here, we sequenced the genome of the quagga mussel Dreissena rostriformis to identify adaptations involved in embryonic osmoregulation. We provide evidence that a lophotrochozoan-specific aquaporin water channel, a vacuolar ATPase subunit and a sodium/hydrogen exchanger are involved in osmoregulation throughout early cleavage, during which time large intercellular fluid-filled ‘cleavage cavities’ repeatedly form, coalesce and collapse, expelling excess water to the exterior. Independent expansions of aquaporins coinciding with at least five freshwater colonization events confirm their role in freshwater adaptation. Repeated aquaporin expansions and the evolution of membrane-bound fluid-filled osmoregulatory structures in diverse freshwater taxa point to a fundamental principle guiding the evolution of freshwater tolerance and provide a framework for future species control efforts.

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Section: Resultscontrasting

confidence: 68%

Section: Resultsmentioning

confidence: 99%

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The quagga mussel genome and the evolution of freshwater tolerance

et al. 2019

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“…Nevertheless, the existence of AQP paralogs only in some taxa is not infrequent. For instance, Maqp and Mglp are found only in mollusks [ 28 ], while Drip, Prip and Bib are retrieved only in arthropods [ 65 , 66 , 67 ]. Considering the diversity of the Lophotrochozoa clade, inhabiting marine, freshwater or terrestrial environments, with different functional traits and body plans [ 68 ], it is tempting to hypothesize that the high diversification of AQPs relates to physiological adaptations, such as osmoregulation and desiccation.…”

Section: Resultsmentioning

confidence: 99%

“…For instance, the majority of bacteria present a single Aqp gene or just one orthodox Aqp plus one aquaglyceroporin, while peculiar Aqp paralogs were retrieved only in plants (i.e., PIPs, NIPs, TIPs, SIPs, XIPs and HIPs). In invertebrate taxa, AQPs have already been characterized in arthropods [ 22 , 23 , 24 , 25 ], nematodes [ 26 ] and mollusks [ 27 , 28 ]. It is currently assumed that invertebrate AQPs are highly similar to vertebrate AQP1 and AQP4 [ 29 ].…”

Section: Introductionmentioning

confidence: 99%

Finding Aquaporins in Annelids: An Evolutionary Analysis and a Case Study

Mucciolo

Desiderato

Salonna

et al. 2021

Cells

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Aquaporins (AQPs) are a family of membrane channels facilitating diffusion of water and small solutes into and out of cells. Despite their biological relevance in osmoregulation and ubiquitous distribution throughout metazoans, the presence of AQPs in annelids has been poorly investigated. Here, we searched and annotated Aqp sequences in public genomes and transcriptomes of annelids, inferred their evolutionary relationships through phylogenetic analyses and discussed their putative physiological relevance. We identified a total of 401 Aqp sequences in 27 annelid species, including 367 sequences previously unrecognized as Aqps. Similar to vertebrates, phylogenetic tree reconstructions clustered these annelid Aqps in four clades: AQP1-like, AQP3-like, AQP8-like and AQP11-like. We found no clear indication of the existence of paralogs exclusive to annelids; however, several gene duplications seem to have occurred in the ancestors of some Sedentaria annelid families, mainly in the AQP1-like clade. Three of the six Aqps annotated in Alitta succinea, an estuarine annelid showing high salinity tolerance, were validated by RT-PCR sequencing, and their similarity to human AQPs was investigated at the level of “key” conserved residues and predicted three-dimensional structure. Our results suggest a diversification of the structures and functions of AQPs in Annelida comparable to that observed in other taxa.

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