Navigation Links
Female mate choice enhances offspring fitness in an annual herb
Date:6/27/2011

In many organisms females directly or indirectly select mates (or sperm) and potentially influence the fitness of their offspring. Mate choice and sexual selection in plants is more complex in some ways than in animals because plants are sessile organisms and often have to rely on external vectors, such as animals, for pollen transport. As such, there is only so much a plant can do to affect the timing of pollen arrival, or the size and diversity of deposited pollen. But can a plant control which pollen grains, of the hundreds that land on their stigmas, make it to the ovules?

sa Lankinen from the Swedish University of Agricultural Sciences, whose research focuses on mate choice and sexual selection in plants, teamed up with Josefin Madjidian from Lund University, Sweden, to see if they could determine whether a mechanism that plants may use to exert female choice was delayed stigma receptivity in the pistil (the female part of the flower). Delaying receptivity to pollen grains may affect aspects of pollen competition such as siring ability, paternal diversity, and offspring fitness. Their study can be found online in the July issue of the American Journal of Botany (http://www.amjbot.org/content/early/2011/06/15/ajb.1000510.full.pdf+html).

"Our study contributes to our general understanding of how and why plants choose their mates when pollen arrive repeatedly to the stigma over a period of time," said Lankinen.

Lankinen and Madjidian hand-pollinated flowers of an annual herb, Collinsia heterophylla (Plataginaceae), in a controlled greenhouse setting in a series of crosses that simulated delayed stigma receptivity.

The authors found that when stigmas were receptive, pollination arrival sequence was important: pollen from the donor that was applied first sired more offspring (up to 74%) than the second donor, even wh
'/>"/>

Contact: Richard Hund
rhund@botany.org
314-577-9557
American Journal of Botany
Source:Eurekalert  

Page: 1 2 3

Related medicine news :

1. Has Chinas campaign against female feticide done more harm than good?
2. Undernourishment in pregnant, lactating females found key to next generations disease
3. Supplement found to improve quality of life for female cancer survivors
4. Young females are victims of violent injury
5. Research study reveals profile for female drunk-drivers
6. Gene Variation May Explain Some Female Infertility Cases
7. How materialistic advertising messages negatively shape the female body image
8. UNC study finds oral tongue cancer increasing in young, white females
9. Study: Facebook photo sharing reflects focus on female appearance
10. New educational DVD improves female pelvic exam instruction
11. Biological clock ticks slower for female birds who choose good mates
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Female mate choice enhances offspring fitness in an annual herb
(Date:9/30/2014)... September 30, 2014 World of Children ... founder of the nonprofit, Friends Without A Border (FWAB) ... for building a hospital in Cambodia that has become ... Izu first encountered Cambodia’s appalling lack of pediatric healthcare ... disabilities and illnesses during a photography trip in 1993. ...
(Date:9/30/2014)... 30, 2014 During this online ... approaches to health including achieving hormonal balance, relieving ... and detoxification. , The details ... Date: October 6-9, 2014, Location: Online Event, Registration: ... http://www2.hotzehwc.com/naturalhealthsummitregistration , Monday, October 6th, Steven F. ...
(Date:9/30/2014)... September 30, 2014 AutoTex PINK ... the iconic pink ribbon in support of breast cancer ... month for businesses and non-profits to “go pink” -- ... , AutoTex PINK is a woman-owned company that is ... They are committed to partnering with their customers to ...
(Date:9/30/2014)... September 30, 2014 Timber Home Living Magazine ... for the Olsen family’s reclaimed Douglas fir timber frame home ... home’s journey from architectural planning, to the frame raising, to ... to New Energy Works, after following the timber framing company ... build their dream vacation home on land they fell in ...
(Date:9/30/2014)... Oxnard, CA (PRWEB) September 30, 2014 ... the Anacapa Dental Art Institute in Oxnard and Thousand ... Bangalore today and tomorrow to provide training on full ... previous dental work, placing implants, providing cosmetic dentistry, correcting ... Dr. Jivraj said. , Dr. Jivraj, who has traveled ...
Breaking Medicine News(10 mins):Health News:Nobel Prize For Child Advocates Announces 2014 Health Award Honoree 2Health News:Nobel Prize For Child Advocates Announces 2014 Health Award Honoree 3Health News:Hotze Health & Wellness Center Announces First Natural Health Summit 2Health News:Change Your Blades … Change A Life! AutoTex PINK Wiper Blades Are Helping Wipe Out Breast Cancer 2Health News:Change Your Blades … Change A Life! AutoTex PINK Wiper Blades Are Helping Wipe Out Breast Cancer 3Health News:Reclaimed Timber Frame Home By New Energy Works Featured in Timber Home Living Magazine 2Health News:Reclaimed Timber Frame Home By New Energy Works Featured in Timber Home Living Magazine 3Health News:World-Renowned Dental Implant Expert, International Instructor in India Speaking about Reconstructive Dentistry 2Health News:World-Renowned Dental Implant Expert, International Instructor in India Speaking about Reconstructive Dentistry 3Health News:World-Renowned Dental Implant Expert, International Instructor in India Speaking about Reconstructive Dentistry 4Health News:World-Renowned Dental Implant Expert, International Instructor in India Speaking about Reconstructive Dentistry 5
... 27 (HealthDay News) -- Arizona Congresswoman Gabrielle Giffords began ... forward for the lawmaker who was shot in the ... Memorial Hermann Hospital could last several months. As a ... insert a valve into her breathing tube, the ...
... January 27, 2011 Screening patients in the intensive ... cost savings for the whole hospital, according to a ... the February issue of the American Journal of ... the Association for Professionals in Infection Control and Epidemiology. ...
... , THURSDAY, Jan. 27 (HealthDay News) -- Only 42 ... and can therefore be categorized as "great sleepers," according to ... Poll" found that great sleepers get an average of about ... sleeper gets an average of seven hours and nine minutes ...
... News) -- Electroshock devices, currently classified by the U.S. Food ... severe depression, could be downgraded to medium risk this year. ... to discuss reclassifying the devices, which would pave the way ... illnesses. , , A medium-risk classification would put the devices ...
... continue dating a girlfriend who has cheated on them with ... according to new research from a University of Texas at ... are more likely to continue dating a man who has ... homosexual affair. The study, published last month in the ...
... in China have demonstrated interferon-alpha (IFN-a) is associated with ... erythematosus (SLE). For the first time, IFN-a priming was ... crucial step in plaque build-up. This activation of the ... atherosclerosis risk in SLE. Full findings of this novel ...
Cached Medicine News:Health News:Rep. Giffords' Intensive Rehab Under Way 2Health News:Rep. Giffords' Intensive Rehab Under Way 3Health News:Study finds MRSA screening saves hospitals money 2Health News:Loving Your Bedroom May Be Key to Good Sleep 2Health News:FDA May Ease Up on Electroshock Devices 2Health News:FDA May Ease Up on Electroshock Devices 3Health News:Men more likely to stick with girlfriends who sleep with other women than other men 2Health News:Researchers uncover link to increased atherosclerosis risk in lupus patients 2
(Date:9/29/2014)... AMBOY, N.J. , Sept. 29, 2014 ... accept customer service inquiries via Twitter, the social media ... to Tweet inquiries and issues related to customer service ... Twitter,s ubiquitous use and its accessibility from any ... Medical Center to better serve its patients and community. ...
(Date:9/29/2014)... , Sept. 29, 2014 Tianyin ... ), a pharmaceutical company that specializes in patented ... and active pharmaceutical ingredients (API), today announced that ... official site visit by the China Food & ... (GMP) certification. In early September 2014, ...
(Date:9/29/2014)... Sept. 29, 2014  Diplomat, the nation,s largest ... has been named chief information officer. As ... the information technology department while being responsible for ... and external partnerships. Prior to joining ... in the development of technology architectures and organizational ...
Breaking Medicine Technology:@myrbmc: Healthcare Customer Service Support in 140 Characters or Less 2TPI's QLF Completes GMP site inspection by CFDA 2TPI's QLF Completes GMP site inspection by CFDA 3Diplomat names Stephen S. Brown chief information officer 2
... Dec. 6, 2011  Therakos, Inc., a pioneer in ... immune modulation therapy, today announced that the first ... clinical study evaluating the use of the company,s ... moderate-to-severe chronic Graft-versus-Host Disease (GvHD). An estimated 15,000 ...
... Dec. 6, 2011 Mobile patient monitoring innovator ... to collaborate with Qualcomm Life Inc., a wholly ... execute a home health monitoring initiative that integrates ... Qualcomm 2net™Platform. The initial focus of AirStrip,s initiative ...
Cached Medicine Technology:First Patient Enrolled in Therakos Phase Two Study for Treatment of Graft-versus-Host Disease 2First Patient Enrolled in Therakos Phase Two Study for Treatment of Graft-versus-Host Disease 3AirStrip Technologies Announces Home Health Collaboration With Qualcomm Life 2AirStrip Technologies Announces Home Health Collaboration With Qualcomm Life 3
... developed the first intra-operative fluorescent imaging ... confirm the location of the coronary ... during coronary artery bypass procedures. ,The ... surgeon to view, record, replay, print, ...
The Polygraf ID multi-parametric recorder works with POLYGRAM NET analysis software to create a unique interface that combines web-style navigation, graphical presentation and intuitive design to del...
... NGAL ELISA Kit is intended for determination ... plasma, serum, urine), tissue extracts or culture ... increased, especially in urine, as early as ... ongoing renal repair processes. NGAL expression in ...
... This configuration offers all the performance of ... priced perfectly for use in Outpatient Settings, Minor ... Mounting two single lights either side of ... set-up in a General OR when combining Flat ...
Medicine Products: