Navigation Links
What gives us sunburn protects crayfish against bacteria
Date:9/24/2007

The production of melanin gives us sunburns, but it also helps invertebrate animals to encapsulate attacking fungi and parasites. Uppsala University researchers, in collaboration with Korean and Thai colleagues, can now show that melanin also protects against bacterial infections, at least in crayfish. The study is published in the latest Net edition of Journal of Biological Chemistry.

The production of melanin is an important protective reaction that gives us a sunburn, for instance. In invertebrate animals it has long been observed that parasites, fungi, and other invaders become encapsulated in melanin. In many animals this can be seen as black-brown spots on the shell that show that the animal has had an infection.

"In mosquitoes that can harbor the malaria parasite it has also been observed that the mosquitos ability to form such melanin capsules often determines whether it will be able to spread the disease to humans," says Haipeng Liu.

On the other hand, the possible effect of melanin production on bacterial infections has been intensively debated. In the current study the scientists show, by manipulating the genetic expression of the melanin-producing enzyme, that effective melanin production is crucial to the ability of freshwater crayfish to survive an infection of an extremely dangerous bacteria for them, Aeromonas hydrophila.

"The findings indicate that we should upgrade the significance of the melanin reaction and that it may be worthwhile to search for further cases where it prevents bacterial growth," says Haipeng Liu.


'/>"/>

Contact: Kenneth Sderh ll
Kenneth.Soderhall@ebc.uu.se
46-018-471-2818
Uppsala University
Source:Eurekalert

Page: 1

Related medicine news :

1. WHO Gives Its Approval For Bird Flu Test Kit
2. Microchip gives blind a chance of sight
3. Microchip gives blind a chance of sight
4. Combined scan gives exact cancer diagnosis
5. Tennis gives protection against heart disease lifelong
6. Camera gives hope for detection of breast cancer
7. Pancreas transplant gives hope to type 2 diabetes
8. Groundbreaking Study Gives Hope For Patients With Kidney Cancer
9. Gene Therapy Gives Hope For Patients With Muscular Dystrophy
10. FDA gives “black box warning” against three asthma drus
11. Statins Gives New Hope for Increased Survival Rate of Heart Failure Patients
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:10/13/2017)... ... October 13, 2017 , ... Many families have long-term insurance that covers care ... have a waiver for care if the client has a cognitive impairment diagnosis. ... for care, is often waived, so the benefits from their insurance start immediately,” said ...
(Date:10/13/2017)... NY (PRWEB) , ... October 13, 2017 , ... Ellevate ... people in business to advocate for action towards gender equality at their inaugural Summit ... from around the globe, and reached a social audience of over 3 million. To ...
(Date:10/13/2017)... ... 13, 2017 , ... Yisrayl Hawkins, Pastor and Overseer at The House of ... popular and least understood books in the Holy Scriptures, Revelation. The Book of Revelation ... scholars for centuries. Many have tossed it off as mere rubbish, but Yisrayl Hawkins ...
(Date:10/13/2017)... ... October 13, 2017 , ... Coveros, a leader in ... awarded a contract by the Center for Medicare and Medicaid Services (CMS). The ... enterprise use of Agile methodologies in a consistent and high value manner across ...
(Date:10/13/2017)... ... October 13, 2017 , ... “America On The Brink”: ... “America On The Brink” is the creation of published author, William Nowers. ... As a WWII veteran, he spent thirty years in the Navy. Following ...
Breaking Medicine News(10 mins):
(Date:9/28/2017)... , Sept. 28, 2017 Hill-Rom Holdings, ... 2017 earnings conference call and webcast on Friday, November ... a.m. (EDT) and ending at approximately 8:30 a.m. (CDT) ... discussing the company,s 2017 financial performance and guidance for ... opportunities, initiatives to enhance operational performance, and long-range financial ...
(Date:9/25/2017)... , Sept. 25, 2017  EpiVax, Inc., ... vaccine design, and immune-engineering today announced the launch ... the development of personalized therapeutic cancer vaccines. EpiVax ... provided exclusive access to enabling technologies to the ... MBA will lead EpiVax Oncology as Chief Executive ...
(Date:9/19/2017)... Sept. 19, 2017   ZirMed Inc ., a recognized ... announced that it has been ranked #1 by its users ... Rankings 2017 User Survey. ZirMed was recognized as the ... hospitals and medical centers over 200 beds and holds one ... technology user survey history. ...
Breaking Medicine Technology: