RT Journal Article
SR Electronic
T1 The genome of the water strider <em>Gerris buenoi</em> reveals expansions of gene repertoires associated with adaptations to life on the water
JF bioRxiv
FD Cold Spring Harbor Laboratory
SP 242230
DO 10.1101/242230
A1 Armisén, David
A1 Rajakumar, Rajendhran
A1 Friedrich, Markus
A1 Benoit, Joshua B
A1 Robertson, Hugh M.
A1 Panfilio, Kristen A.
A1 Ahn, Seung-Joon
A1 Poelchau, Monica F.
A1 Chao, Hsu
A1 Dinh, Huyen
A1 Doddapaneni, HarshaVardhan
A1 Dugan, Shannon
A1 Gibbs, Richard A.
A1 Hughes, Daniel S.T.
A1 Han, Yi
A1 Lee, Sandra L.
A1 Murali, Shwetha C.
A1 Muzny, Donna M.
A1 Qu, Jiaxin
A1 Worley, Kim C.
A1 Munoz-Torres, Monica
A1 Abouheif, Ehab
A1 Bonneton, François
A1 Chen, Travis
A1 Chiang, Li-Mei
A1 Childers, Christopher P.
A1 Cridge, Andrew Graham
A1 Crumière, Antonin Jean Johan
A1 Decaras, Amelie
A1 Didion, Elise M.
A1 Duncan, Elizabeth
A1 Elpidina, Elena N.
A1 Favé, Marie-Julie
A1 Finet, Cédric
A1 Jacobs, Chris G.C.
A1 Jarvela, Alys
A1 Jennings, Emily J.
A1 Jones, Jeffery W.
A1 Lesoway, Maryna P.
A1 Lovegrove, Mackenzie
A1 Martynov, Alexander
A1 Oppert, Brenda
A1 Lillico-Ouachour, Angelica
A1 Rajakumar, Arjuna
A1 Refki, Peter Nagui
A1 Rosendale, Andrew J.
A1 Santos, Maria Emilia
A1 Toubiana, William
A1 van der Zee, Maurijn
A1 Vargas Jentzsch, Iris M.
A1 Lowman, Aidamalia Vargas
A1 Viala, Severine
A1 Richards, Stephen
A1 Khila, Abderrahman
YR 2018
UL http://biorxiv.org/content/early/2018/02/11/242230.abstract
AB The semi-aquatic bugs conquered water surfaces worldwide and occupy ponds, streams, lakes, mangroves, and even open oceans. As such, they inspired a range of scientific studies from ecology and evolution to developmental genetics and hydrodynamics of fluid locomotion. However, the lack of a representative water strider genome hinders thorough investigations of the mechanisms underlying the processes of adaptation and diversification in this group. Here we report the sequencing and manual annotation of the Gerris buenoi (G. buenoi) genome, the first water strider genome to be sequenced so far. G. buenoi genome is about 1 000Mb and the sequencing effort recovered 20 949 predicted protein-coding genes. Manual annotation uncovered a number of local (tandem and proximal) gene duplications and expansions of gene families known for their importance in a variety of processes associated with morphological and physiological adaptations to water surface lifestyle. These expansions affect key processes such as growth, vision, desiccation resistance, detoxification, olfaction and epigenetic components. Strikingly, the G. buenoi genome contains three Insulin Receptors, a unique case among metazoans, suggesting key changes in the rewiring and function of the insulin pathway. Other genomic changes include wavelength sensitivity shifts in opsin proteins likely in association with the requirements of vision in water habitats. Our findings suggest that local gene duplications might have had an important role during the evolution of water striders. These findings along with the G. buenoi genome open exciting research opportunities to understand adaptation and genome evolution of this unique hemimetabolous insect.