The physical basis of mollusk shell chiral coiling.
Sign Up to like & getrecommendations! Published in 2021 at "Proceedings of the National Academy of Sciences of the United States of America"
DOI: 10.1073/pnas.2109210118
Abstract: Snails are model organisms for studying the genetic, molecular, and developmental bases of left-right asymmetry in Bilateria. However, the development of their typical helicospiral shell, present for the last 540 million years in environments as… read more here.
Keywords: bilaterally symmetric; model; physical basis; shell ... See more keywords
Bilaterally symmetric axes with rhizoids composed the rooting structure of the common ancestor of vascular plants
Sign Up to like & getrecommendations! Published in 2017 at "Philosophical Transactions of the Royal Society B: Biological Sciences"
DOI: 10.1098/rstb.2017.0042
Abstract: There are two general types of rooting systems in extant land plants: gametophyte rhizoids and sporophyte root axes. These structures carry out the rooting function in the free-living stage of almost all land plant gametophytes… read more here.
Keywords: ancestor vascular; vascular plants; axes rhizoids; common ancestor ... See more keywords