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Corals Are Dying — From Herpes?!

Corals Are Dying — From Herpes?!

 

Scientists have long been concerned about the decline of the world’s coral, and the fragile ecosystems that develop around them. There are a number of reasons for this decline — global warming, sewage runoff, human tampering, decline in algae populations among them — but new research is pointing to another possible culprit. And it’s one that humans are all too familiar with, the herpes virus.

A study published in the Journal of Experimental Marine Biology and Ecology reviews the research of Rebecca Vega-Thurber, an assistant professor of microbiology at Oregon State University (OSU). Vega-Thurber points out that, while scientists have long studied the effects of bacteria on coral reefs, viruses are a very logical culprit as well.

Her research uncovered that most of the viruses found in coral are herpes – quite similar to the ones found in humans. In a university press release, Vega-Thurber said,

“We were shocked to find that so many coral viruses were in the herpes family… But corals are one of the oldest animal life forms, evolving around 500 million years ago, and herpes is a very old family of viruses that can infect almost every kind of animal. Herpes and corals may have evolved together.”

Though the results were certainly unexpected, it has yet to be determined if the preponderance of herpes in coral is actually causing diseases. However, as Vega-Thurber notes,

“We have found that nutrient increases from pollution can cause increased levels of viral infection, as do warmer water and physical handling… Now we have to determine if those increases in infection cause actual diseases that are killing the coral.”

Vega-Thurber hopes that further research can lead to more effective ways of predicting, preventing and mitigating the disease’s affect on these crucial organisms.

Related:
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Billions of Planets Might Be Habitable

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Katie Waldeck

Katie is a freelance writer focused on pets, food and women’s issues. A Chicago native and longtime resident of the Pacific Northwest, Katie now lives in Oakland, California.

65 comments

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9:59PM PDT on Jul 23, 2015

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4:42PM PDT on Jun 22, 2015

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2:12PM PST on Feb 18, 2013

thanks

10:15AM PDT on Jun 15, 2012

thank you...

2:48PM PDT on May 8, 2012

We need to stop polluting the oceans, and all other bodies of water.

6:14PM PDT on Apr 28, 2012

Thanks for the article.

3:35AM PDT on Apr 19, 2012

interesting article, thanks for sharing

8:51PM PDT on Apr 7, 2012

Interesting article, and I agree with Lydia P.

2:05PM PDT on Apr 3, 2012

maybe this will help to solve the problem!

1:35PM PDT on Apr 3, 2012

I doubt the decrease in the coral reefs are caused by the viruses. There are more viruses in the ocean than bacterias, and that's a lot. The fact that viruses from the Herpes family and the corals existed from a long time ago, and probably co-evolved side by side means that the corals have become 'resistant' to the viruses. The sudden death of the corals might probably be caused by another external factor.

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