Navigation Links
Reproductive tract secretions elicit ovulation
Date:4/17/2013

Baltimore, MD Eggs take a long time to produce in the ovary, and thus are one of a body's precious resources. It has been theorized that the body has mechanisms to help the ovary ensure that ovulated eggs enter the reproductive tract at the right time in order to maximize the chance of successful fertilization.

New research from Carnegie's Allan Spradling and Jianjun Sun has shed light on how successful ovulation and fertilization are brought about by studying these processes in fruit flies. They found that secretions from special glands within the fruit fly's reproductive tract contribute to both ovulation and sperm function, and that this secretion is controlled by a specific hormone receptor gene, called Hr39. Their results suggest that Lrh-1, a mammalian receptor gene closely related to Hr39, also regulates ovulation by controlling reproductive tract secretions in mammals. Their findings are published by eLife.

Sun and Spradling's research provides an example of how the biological processes underlying a specific type of human tissue are often fundamentally similar to the biology of analogous tissues in seemingly very different species, such as insects. These common processes are not an accident, but rather are a consequence of the common evolutionary history of virtually all multicellular organisms on Earth. As a result of these similarities, researchers can genetically manipulate fruit flies in order to identify the genes and pathways controlling a biological processin this case ovulationand then use genome sequencing to identify the corresponding genes in other species, including humans.

Sun and Spradling began such a strategy a few years ago by characterizing how the glands within the ovary develop. Soon, they were able to tweak normal development to generate flies with anywhere from zero to the normal number of about 200 secretory cells, as well as adults in which secretory cell function could be turned on or off at
'/>"/>

Contact: Allan Spradling
spradling@ciwemb.edu
410-246-3015
Carnegie Institution
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Reproductive health providers should discuss environmental exposure risks with patients
2. Highly exposed to phthalates as fetuses, female mice have altered reproductive lives
3. BPA could affect reproductive capabilities, cause infection of the uterus
4. Rare cliffhanging plant species uses unique reproductive strategy
5. Report from the front lines of personalized reproductive medicine revolution
6. Sex of early birds suggests dinosaur reproductive style
7. Bisphenol A affects sex-specific reproductive behaviors in a monogamous animal species
8. Stanford scientist uncovers the reproductive workings of a harvester ant dynasty
9. Pycnogenol (French maritime pine bark extract) shown to improve menopause symptoms in new study
10. Unexpected discovery reveals a new mechanism for how the cerebellum extracts signal from noise
11. Mainz University Medical Center attracts funding of Alexander von Humboldt Professorship
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/23/2015)... Conn. , Mar. 23, 2015 NXT-ID, Inc. (NASDAQ: ... company focused on the growing mobile commerce market, announces its ... new advertising campaign on CNBC television starting March 30 th ... will commence airing in New York ... Officer said: "We are excited about our new ad campaign ...
(Date:3/19/2015)... , March 19, 2015  NXT-ID, Inc. (NASDAQ: ... company focused on the growing mobile commerce market, announces its ... a news clip that aired this week on ... . In a segment "The Next Great Thing", ... ,a new way to pay, and ,a really big breakthrough ...
(Date:3/16/2015)... , March 16, 2015 ... Systems GmbH will present groundbreaking innovations in biometric ... Hanover, Germany .      (Photo: ... latest biometric innovation is well at the forefront: ... generation e-gate made in Germany ...
Breaking Biology News(10 mins):NXT-ID's Wocket Smart Wallet to Launch New CNBC Regional TV Ad Campaign 2NXT-ID's Wocket Smart Wallet to Launch New CNBC Regional TV Ad Campaign 3NXT-ID's Wocket Smart Wallet Featured on Fox News Segment, "The Next Great Thing" 2NXT-ID's Wocket Smart Wallet Featured on Fox News Segment, "The Next Great Thing" 3DERMALOG Presents its Latest Biometric Innovations at the Hannover CeBIT Exhibition, 16 - 20 March 2015 2DERMALOG Presents its Latest Biometric Innovations at the Hannover CeBIT Exhibition, 16 - 20 March 2015 3
... from space for the first time using optical radiance ... Envisat. The ability to monitor Sargassum globally will allow ... ocean and better predict climate change. Credit: ESA ... in its dense floating vegetation, has been detected from ...
... E. Fox, NIH/NRSA postdoctoral fellow at the University of Oregon, ... legumes to recruit soil bacteria needed to provide a natural ... applying pesticides to boost crop yields may instead be contributing ... , According to years of research both in the test ...
... ovarian tissue, blood vessels, even whole organs available when ... directly comparing slow-freezing techniques, used successfully for decades to ... of cryopreservation that transforms tissues into durable glass-like structures. ... Medical College of Georgia are comparing the two approaches ...
Cached Biology News:Envisat captures first image of Sargassum from space 2Pesticides choke pathway for nature to produce nitrogen for crops 2Pesticides choke pathway for nature to produce nitrogen for crops 3Studies to find better ways to preserve human eggs, ovarian tissue under way 2Studies to find better ways to preserve human eggs, ovarian tissue under way 3Studies to find better ways to preserve human eggs, ovarian tissue under way 4Studies to find better ways to preserve human eggs, ovarian tissue under way 5
(Date:3/27/2015)... 2015 WuXi PharmaTech (Cayman) Inc. (NYSE: ... and technology platform company serving the global pharmaceutical, ... an Investigational New Drug (IND) application for WuXi ... has been accepted for review by the China ... In September 2012, MedImmune, the global biologics research ...
(Date:3/26/2015)... 26, 2015 /PRNewswire/ - SQI Diagnostics Inc. ("SQI" or ... dealing with certain matters, including the appointment of auditors, ... March 26, 2015 (the "Meeting") was adjourned, as previously ... at 11:00 a.m. ( Toronto time). ... from that previous disclosed. The Meeting will reconvene at ...
(Date:3/26/2015)... PAREXEL International Corporation (Nasdaq: ... organization , announced today that the Company ... all of the business assets of privately-owned Quantum ... specialized pharmacovigilance services, based in Chandigarh, India.  ... monitoring, and prevention of adverse effects with ...
(Date:3/25/2015)... is one of the most attractive in the emerging ... a growing economy and increasing government investment in healthcare, ... Russian market is set to grow at twice the ... around 10-15% annually reaching an approximate market value of ... Green Cross provides total healthcare solutions that ...
Breaking Biology Technology:Investigational New Drug Application for WuXi MedImmune's Monoclonal Antibody Accepted for Review by CFDA 2Investigational New Drug Application for WuXi MedImmune's Monoclonal Antibody Accepted for Review by CFDA 3SQI Diagnostics Inc. Announces Adjournment of Meeting 2PAREXEL Announces Execution of Definitive Agreement to Acquire Quantum Solutions India, Strengthening Leadership In Pharmacovigilance Services 2PAREXEL Announces Execution of Definitive Agreement to Acquire Quantum Solutions India, Strengthening Leadership In Pharmacovigilance Services 3PAREXEL Announces Execution of Definitive Agreement to Acquire Quantum Solutions India, Strengthening Leadership In Pharmacovigilance Services 4
... Tandem Labs, a leading contract,research organization ... services to the pharmaceutical,industry, announced that it ... 4000(TM) LC/MS/MS systems for its New England ... facility,s current triple,quadrupole LC/MS/MS capacity, allowing it ...
... Identify Pathways and ... Metabolomic Data, REDWOOD CITY, Calif., Oct. 9 ... to help life science researchers,generate insights from biological ... within Ingenuity,Pathways Analysis to help researchers understand metabolomics ...
... SAN DIEGO, Oct. 8 SGX Pharmaceuticals, Inc.,(Nasdaq: ... on October 11,2007, at 1:00 p.m. Pacific Daylight Time. ... will provide an overview of the,Company,s oncology pipeline. The ... the Palace Hotel in San Francisco. A live ...
Cached Biology Technology:Tandem Labs' New England Facility Doubles Discovery Support Capacity - Increasing Foothold in New England 2Ingenuity Systems Launches New Metabolomics Solution Within IPA 2
Dual adapter for phosphotyrosine and 3-phosphotyrosine and 3-phosphoinositide...
Raised to arginine vasopressin coupled to bovine thyroglobulin with carbodiimide ....
Chicken polyclonal to DCTD ( Abpromise for all tested applications). Antigen: Full length protein (Human) Entrez GeneID: 1635 Swiss Protein ID: P32321...
...
Biology Products: