At the core of snowflakes, bacteria


	At the core of snowflakes, bacteria

MomLes

3-2-2008 11:57 AM

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/59a6a7ad-1b8d-447c-999a-bf04ac09026d/E743B681-52B2-4BD1-9057-D763BD06DBEE/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.latimes.com/news/science/la-sci-bacteria1mar01,0,1359144.story" href="http://www.latimes.com/news/science/la-sci-bacteria1mar01,0,1359144.story" style="font-size: 11px;">www.latimes.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.latimes.com/news/science/la-sci-bacteria1mar01,0,1359144.story"><IMG width="300" height="229" alt="Snowflake" src="http://www.latimes.com/media/photo/2008-03/36274780.jpg" /><DIV id="emailpic"><A class="emailpic" target="win_36274780" href="http://www.latimes.com/news/science/lat-snowflake_jvsl52nc20080301152421,0,2527163,email.photo">Email Picture</A></DIV><DIV><DIV>"Bacteria are by far the most active ice nuclei in nature," said Brent C. Christner, an assistant professor of biological sciences at Louisiana State University.</DIV></DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.latimes.com/news/science/la-sci-bacteria1mar01,0,1359144.story"><DIV>
Christner and colleagues sampled snow from Antarctica, France, <RUNTIME:TOPIC _moz-userdefined="" id="PLGEO100103200000000">Montana</RUNTIME:TOPIC> and Canada's Yukon and found that as much as 85% of the nuclei were bacteria, he said. The bacteria finding was most common in France, followed by Montana and the Yukon, and was even present in Antarctica.</DIV>
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The most common bacteria found were <I>Pseudomonas syringae</I>, which can cause disease in several types of plants including tomatoes and beans.</DIV>

In the past, scientists have tried to eliminate <I>Pseudomonas</I>, Christner said, but now that it turns out to be a major factor in encouraging snow and rain, he wonders if that is a good idea.</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/E743B681-52B2-4BD1-9057-D763BD06DBEE/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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