Navigation Links
Did past climate change encourage tree-killing fungi?
Date:8/5/2011

The demise of the world's forests some 250 million years ago likely was accelerated by aggressive tree-killing fungi triggered by global climate change, according to a new study by a University of California, Berkeley, scientist and her Dutch and British colleagues.

The researchers do not rule out the possibility that today's changing climate could cause a similar increase in pathogenic soil bacteria that could devastate forests already stressed by a warming climate and pollution.

The study, available online today (Aug. 5), will be published in the September 2011 print edition of the journal Geology of the Geological Society of America.

The death of the forests primarily comprised of conifers, which are distant relatives of today's pines and firs was part of the largest extinction of life on Earth, which occurred when today's continents were part of one supercontinent, Pangaea. The so-called Permian extinction likely was triggered by immense volcanic eruptions in what is now Siberia. The huge amounts of gas and dust thrown into the atmosphere altered global climate, and some 95 percent of marine organisms and 70 percent of land organisms eventually went extinct.

The scientists claim that thread-like or filamentous microfossils commonly preserved in Permian rock are relatives of a group of fungi, Rhizoctonia, that today is known for members that attack and kill plants.

"Modern Rhizoctonia include some of the most ubiquitous plant pathogens, causing root, stem and foliar diseases in a wide variety of plants," said coauthor Cindy Looy, UC Berkeley assistant professor of integrative biology. "Based on patterns of present-day forest decline, it is likely that fungal disease has been an essential accessory in woodland destabilization, accelerating widespread tree mortality during the end-Permian crisis."

The conifer forests, which covered the semi-arid equatorial region of Pangaea, were eventually
'/>"/>

Contact: Robert Sanders
rsanders@berkeley.edu
510-643-6998
University of California - Berkeley
Source:Eurekalert  

Page: 1 2 3

Related biology news :

1. Long-term study shows effect of climate change on animal diversity
2. White Mountain Research Station to host climate change conference
3. Researchers find animal with ability to survive climate change
4. Severe climate change costs forecast for Pennsylvania, N.C., Tennessee, N.D.
5. Experts discuss climate change during UH lecture series
6. Dont blame cities for climate change, see them as solutions
7. Green coffee-growing practices buffer climate-change impacts
8. Brookhaven scientists take off for southeastern Pacific climate study
9. Himalaya -- Changing Landscapes photo exhibition draws attention to the impacts of climate change
10. British scientists go cloud-hopping in the Pacific to improve climate predictions
11. Northwest climate change is target of $3.2M in grants to University of Oregon
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Did past climate change encourage tree-killing fungi?
(Date:7/24/2014)... Environmental cleanup experts gathered at NJIT this week for ... by the U.S. Environmental Protection Agency (EPA) to dredge ... Passaic River. , The EPA has called the plan, ... sediments and capping sections of the riverbed, one of ... material would be dredged and disposed off-site. , "We ...
(Date:7/24/2014)... For years, researchers and patients have hoped that embryonic ... in the bodycould provide insight into numerous diseases perhaps ... been hampered by the inability to transfer research and ... in part because human ESCs are "primed" and slightly ... Theunissen, Benjamin Powell, and Haoyi Wang, who are scientists ...
(Date:7/24/2014)... the primordial soup in which life arose have been maintained ... of East Anglia. , Research published today in the ... yeast and very likely also in animals still perform ancient ... life some four billion years ago. , The primordial ... ocean as a result of the combination of metals, gases ...
Breaking Biology News(10 mins):Experts Weigh the Pros and Cons of a $1.7 Billion EPA Cleanup Plan for the Passaic River at an NJIT 2Whitehead Institute researchers create 'naïve' pluripotent human embryonic stem cells 2
... research in France on patients diagnosed with cryptococcosis ... patients infected by HIV and who are profoundly ... 5 2007 in PLoS Medicine, uncovers parameters associated ... sex and the infecting serotype. In light of ...
... In a venture once thought to lie outside the ... Beth Israel Deaconess Medical Center have captured and sequenced ... Tyrannosaurus rex. The protein fragments—seven in all—appear to most ... present day chickens, lending support to a recent and ...
... international consortium of researchers has published the genome sequence ... the chimpanzee and human genomes. Published April 13 in ... reveals that the three primate species share about 93 ... among their genes. , In its paper, the Rhesus ...
Cached Biology News:New recommendations against a major opportunistic infection -- cryptococcosis 2New recommendations against a major opportunistic infection -- cryptococcosis 3Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex 2Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex 3Protein fragments sequenced in 68 million-year-old Tyrannosaurus rex 4Analysis of rhesus monkey genome uncovers genetic differences with humans, chimps 2Analysis of rhesus monkey genome uncovers genetic differences with humans, chimps 3
(Date:7/24/2014)... OAK RIDGE, Tenn., July 24, 2014 -- A novel ... at the Department of Energy,s Oak Ridge National Laboratory ... known for its unusual physical and electrochemical properties. ... examined how oxygen affects the surface of a perovskite ... electronic behavior. The new avenue to understand surface behavior ...
(Date:7/24/2014)... Security forces worldwide rely on sophisticated equipment, trained ... other public areas against terrorist attacks. A revolutionary ... about to make their job much easier. , ... Patolsky of Tel Aviv University ,s School of ... developed by the Herzliya company Tracense, picks up ...
(Date:7/24/2014)... DUBLIN , July 24, 2014 ... the "Global Cell Culture Market 2014-2018" report ... Cell culture is the in vitro ... such as research, cell studies, and biopharmaceutical production. Cell ... vaccine production. Cell culture instruments and cell culture consumables ...
(Date:7/24/2014)... Three companies from the angelMD network ... C Competition. Out of 700 competition entrants, Chiron Health, ... semi-final round. In this round twenty teams are invited ... with mentoring from thought-leaders and medical entrepreneurs from all ... angelMD commitment to the Livestrong vision around the Big ...
Breaking Biology Technology:ORNL study reveals new characteristics of complex oxide surfaces 2Nano-sized chip 'sniffs out' explosives far better than trained dogs 2Global Cell Culture Market 2014-2018: Key Vendors are Becton, Dickinson and Co, EMD, GE Healthcare, Lonza Group, Sigma Aldrich and Thermo Fisher Scientific 23 angelMD Startups Make Livestrong Big C Semi-finals 2
... nothing in record numbers. , ,In 2003, an estimated 5 ... as LiveJournal , Movable Type , and Weblogger ... a New Year's resolution. , ,A November study of eight ... 20 percent of all blogs (short for "Web logs") are abandoned ...
... cursed) Sarbanes-Oxley Act of 2002 (Sarbox), many publicly ... financial recording and accounting practices and updated their ... whether privately held companies and non-profits should be ... public companies. Are taking these kinds of measures ...
... , a provider of business solutions that connect ... announced today that Hance Company of Plymouth, Minn., ... solution for integration directly with Hance's Ezone parts ... , ,Under the agreement, ARI will host ...
Cached Biology Technology:Who Gives a Blog? 2Sarbanes-Oxley for the Rest of Us 2Sarbanes-Oxley for the Rest of Us 3Sarbanes-Oxley for the Rest of Us 4
... Useful as a positive control for ... to chromatin in vivo is a crucial ... extent of crosslinking is probably the most ... subsequent immunoprecipitation step should be taken into ...
Mouse monoclonal [M2II-12] to MRP2 ( Abpromise for all tested applications). entrezGeneID: 1244 SwissProtID: Q92887...
The Programmable MP-5000P-F Power Supply can be applied for any Microfluidic application....
Rab GDP dissociation inhibitor beta...
Biology Products: