Featured Research

from universities, journals, and other organizations

Elucidating optimal biological tissue shape during growth

Date:
June 11, 2014
Source:
Springer Science+Business Media
Summary:
The role of cells' alignment in shaping biological tissue has been the focus of recent research. This study's hypothesis is that if the cells that constitute a tissue are organized and aligned collectively in the same direction, the force produced by each individual cell division event builds up. The authors show that the accumulation of forces may be sufficient to shape the biological tissue by elongating it.

A team of European scientists has now extended a previous biophysical model to investigate elongated growth within biological tissues by describing the evolution over time of the shape of a fruit fly's wing. They found the aspect ratio of the typical biological shapes may exhibit a maximum at finite time and then decrease.

Related Articles


For sufficiently large tissues, the shape is expected to approach that of a disk or sphere. These findings have been reported by Carles Blanch-Mercader from the University of Barcelona, Spain, and colleagues, in a paper published in European Physical Journal E. They provide a more general classification than previously available of the different types of morphologies a tissue can be expected to attain, depending on its initial size and its physical properties.

In this study, the authors consider a model of the biological tissue represented as a so-called active nematic fluid. It consists of self-aligned cells that have long-range directional order, with their long axes roughly parallel. The authors also integrated the dynamics of the tissue shape related to cell division-by focusing on time scales much longer than the cell cycle-using so-called conformal mapping techniques.

The model takes into account the previously identified local force that a cell produces when it starts dividing to replicate, which is distributed in a way that is dependent on the direction of growth. It also accounts for two other realistic forces typically found in biological tissues: friction with the environment and capillary tension caused by cell aggregates.

This study's hypothesis is that if the cells that constitute a tissue are organized and aligned collectively in the same direction, the force produced by each individual cell division event builds up. The authors show that the accumulation of forces may be sufficient to shape the biological tissue by elongating it.


Story Source:

The above story is based on materials provided by Springer Science+Business Media. Note: Materials may be edited for content and length.


Journal Reference:

  1. C. Blanch-Mercader, J. Casademunt, J. F. Joanny. Morphology and growth of polarized tissues. The European Physical Journal E, 2014; 37 (5) DOI: 10.1140/epje/i2014-14041-2

Cite This Page:

Springer Science+Business Media. "Elucidating optimal biological tissue shape during growth." ScienceDaily. ScienceDaily, 11 June 2014. <www.sciencedaily.com/releases/2014/06/140611093441.htm>.
Springer Science+Business Media. (2014, June 11). Elucidating optimal biological tissue shape during growth. ScienceDaily. Retrieved February 1, 2015 from www.sciencedaily.com/releases/2014/06/140611093441.htm
Springer Science+Business Media. "Elucidating optimal biological tissue shape during growth." ScienceDaily. www.sciencedaily.com/releases/2014/06/140611093441.htm (accessed February 1, 2015).

Share This


More From ScienceDaily



More Plants & Animals News

Sunday, February 1, 2015

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Nanoscale Sensor Could Help Wine Producers and Clinical Scientists

Nanoscale Sensor Could Help Wine Producers and Clinical Scientists

Reuters - Innovations Video Online (Jan. 30, 2015) A nanosensor that mimics the oral effects and sensations of drinking wine has been developed by Danish and Portuguese researchers. Jim Drury saw it in operation. Video provided by Reuters
Powered by NewsLook.com
Dog-Loving Astronaut Wins Best Photo of 2015

Dog-Loving Astronaut Wins Best Photo of 2015

Buzz60 (Jan. 30, 2015) Retired astronaut and television host, Leland Melvin, snuck his dogs into the NASA studio so they could be in his official photo. As Mara Montalbano (@maramontalbano) shows us, the secret is out. Video provided by Buzz60
Powered by NewsLook.com
U.S. Wants to Analyze DNA from 1 Million People

U.S. Wants to Analyze DNA from 1 Million People

Reuters - US Online Video (Jan. 30, 2015) The U.S. has proposed analyzing genetic information from more than 1 million American volunteers to learn how genetic variants affect health and disease. Rough Cut (no reporter narration). Video provided by Reuters
Powered by NewsLook.com
Rarest Cat on Planet Caught Attacking Monkeys on Camera

Rarest Cat on Planet Caught Attacking Monkeys on Camera

Buzz60 (Jan. 30, 2015) An African Golden Cat, the rarest large cat on the planet was recently caught on camera by scientists trying to study monkeys. The cat comes out of nowhere to attack those monkeys. Patrick Jones (@Patrick_E_Jones) has the rest. Video provided by Buzz60
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins