Mechanics of Cell Sheet Folding - Embryonic Inversion in the Green Algae Volvox
نویسندگان
چکیده
منابع مشابه
Mechanics and Variability of Cell Sheet Folding in the Embryonic Inversion of $Volvox$
Many embryonic deformations during development are the global result of local cell shape changes and other local active cell sheet deformations. Morphogenesis does not only therefore rely on the ability of the tissue to produce these active deformations, but also on the ability to regulate them in such a way as to overcome the intrinsic variability of and geometric constraints on the tissue. He...
متن کاملVolvox Inversion Mechanics Project Proposal Solid Mechanics ES240
The genus Volvox is comprised of several species of communal multcellular chlorophytes which exhibit a series of interesting morphogenetic events during their developmental cycle. In Volvox carteri, the inversion event is interesting in that after several rounds of cell division from a single cell, the glycoprotein lled, spheroidal plakea completely inverts itself thorough of series of highly c...
متن کاملElasticity and glocality: initiation of embryonic inversion in Volvox.
Elastic objects across a wide range of scales deform under local changes of their intrinsic properties, yet the shapes are glocal, set by a complicated balance between local properties and global geometric constraints. Here, we explore this interplay during the inversion process of the green alga Volvox, whose embryos must turn themselves inside out to complete their development. This process h...
متن کاملCell shape changes and the mechanism of inversion in Volvox
Inversion is a dominant aspect of morphogenesis in Volvox. In this process, the hollow, spheroidal Volvox embryo turns inside-out through a small opening called the phialopore to bring flagella from its inner to its outer surface. Analyses of intact, sectioned, and fragmented embryos by light, scanning electron, and transmission electron microscopy, suggest that shape changes preprogrammed into...
متن کاملSimultaneous coupling of phototaxis and electrotaxis in Volvox algae.
In nature, living creatures are affected by several stimuli simultaneously. The response of living creatures to stimuli is called taxis. In order to reveal the principles of taxis behavior in response to complex stimuli, we simultaneously applied photostimulation and electric stimulation perpendicularly to a Volvox algae solution. The probability distribution of the swimming direction showed th...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Biophysical Journal
سال: 2019
ISSN: 0006-3495
DOI: 10.1016/j.bpj.2018.11.143