Navigation Links
Fruit fly study digs deeper into poorly understood details of forming embryos
Date:12/21/2010

CINCINNATI Using fruit flies as a model to study embryo formation, scientists report in Nature Cell Biology that molecular breakdown of a protein called Bicoid is vital to normal head-to-tail patterning of the insect's offspring.

Published online by the journal Dec. 19, the study shows how Bicoid is targeted for molecular degradation by a newly identified protein the researchers named Fates-shifted (Fsd). Without the interaction between Bicoid and Fsd, fruit fly embryos are improperly formed and misshaped, according to scientists at Cincinnati Children's Hospital Medical Center.

The findings are another example of how genetic and molecular studies of embryonic development in fruit flies (known formally as Drosophila melanogaster) help inform medical research into human disease and birth defects. Over half of the genes known to cause disease in humans have a recognizable match in the fruit fly's genetic code.

"Although there is no direct medical impact, this study has critical relevance for medical research into birth defects," said Jun Ma, Ph.D., senior investigator and a researcher in the divisions of Biomedical Bioinformatics and Development Biology. "For tissues in the developing embryo to form properly, cells have to know what their proper locations are. This study looks at the location cues cells receive in early Drosophila embryos."

The cues are delivered through a process that scientists still don't completely understand. It's controlled by molecules called morphogens, which form concentration gradients along the head-to-tail axis, or other axes, of developing embryos. Scientists think these gradients enable cells to know their locations when cells evaluate whether the chemical signals they receive are above or below specific threshold levels. The cells' knowledge of their locations leads them to choose different developmental paths and form distinct tissue types in embryos.

"There are really two sides of the morphogen problem," Dr. Ma explained. "The first is how such concentration gradients are formed in the first place, and the second is how cells respond to such gradients. Our current study looks into the first question at a molecular level."

Bicoid is a morphogen protein critical to fruit fly embryos in forming the head and thorax. The new findings suggest the protein's molecular breakdown is important for establishing a correct concentration gradient and the formation of appropriate tissues at their correct embryo locations.


'/>"/>

Contact: Nick Miller
nicholas.miller@cchmc.org
513-803-6035
Cincinnati Children's Hospital Medical Center
Source:Eurekalert

Related biology news :

1. Goji berries have the same nutrients as fruits and vegetables and a placebo effect
2. Drinking 100 percent fruit juice is linked to higher intake of essential nutrients
3. Snap of fruit fly embryo wins scientific photo competition
4. Fruit flies help Yale scientists sniff out new insect repellents
5. Winter drought stress can delay flowering, prevent fruit loss in orange crops
6. UCI scientists decode genomes of sexually precocious fruit flies
7. OU study on genetics in fruit flies leads to new method for understanding brain function
8. Core knowledge of tree fruit expands with apple genome sequencing
9. Fruit flies use horizontal landmarks for altitude control, says Caltech research team
10. Understanding cancer using the fruit fly
11. Gene leads to longer shelf life for tomatoes, possibly other fruits
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/28/2017)... , March 28, 2017 The ... Hardware (Camera, Monitors, Servers, Storage Devices), Software (Video Analytics, ... Region - Global Forecast to 2022", published by MarketsandMarkets, ... 2016 and is projected to reach USD 75.64 Billion ... and 2022. The base year considered for the study ...
(Date:3/24/2017)... 24, 2017 The Controller General of Immigration from ... Abdulla Algeen have received the prestigious international IAIR Award for the ... Continue Reading ... ... Controller Abdulla Algeen (small picture on the right) have received the IAIR ...
(Date:3/23/2017)... The report "Gesture Recognition and Touchless Sensing Market by Technology (Touch-based ... to 2022", published by MarketsandMarkets, the market is expected to be worth USD ... 2022. Continue Reading ... ... ...
Breaking Biology News(10 mins):
(Date:10/11/2017)... and LAGUNA HILLS, Calif. , Oct. ... Cancer Research, London (ICR) and University ... SKY92, SkylineDx,s prognostic tool to risk-stratify patients with multiple myeloma ... MUK nine . The University of Leeds ... partly funded by Myeloma UK, and ICR will perform the ...
(Date:10/10/2017)... ... 2017 , ... San Diego-based team building and cooking events company, Lajollacooks4u, has ... The bold new look is part of a transformation to increase awareness, appeal to ... period. , It will also expand its service offering from its signature gourmet cooking ...
(Date:10/10/2017)... 10, 2017 International research firm Parks Associates announced ... at the TMA 2017 Annual Meeting , October 11 in ... residential home security market and how smart safety and security products impact ... Parks Associates: Smart Home ... "The residential security market has ...
(Date:10/9/2017)... DIEGO , Oct. 9, 2017  BioTech ... biological mechanism by which its ProCell stem cell ... critical limb ischemia.  The Company, demonstrated that treatment ... amount of limbs saved as compared to standard ... the molecule HGF resulted in reduction of therapeutic ...
Breaking Biology Technology: