Lesson 3: Species in the environmental complex
Lesson 3: Species in the environmental complex
Lesson 3: Species in the environmental complex
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McNaughton (1966): enzymatic connection <strong>in</strong> Typha<br />
latifolia<br />
http://plants.usda.gov/<br />
• Ano<strong>the</strong>r step closer to <strong>the</strong><br />
demonstrat<strong>in</strong>g actual genetic<br />
control for ecotypic variation<br />
of physiological differences.<br />
• Po<strong>in</strong>t Reyes: foggy coastal<br />
site.<br />
• Red Bluff: hot Sacramento<br />
Valley.<br />
• Collected dormant rhizomes<br />
from each site and placed <strong>in</strong><br />
common greenhouse.<br />
• Made plant extracts and<br />
collected 3 enzymes.<br />
• Subjected to <strong>the</strong> enzymes to<br />
heat stress of 50 ˚C for up to<br />
30 m<strong>in</strong>.<br />
• One of <strong>the</strong> critical enzymes<br />
(malate deydrogenase) from<br />
Red Bluff showed much<br />
higher activity with higher<br />
temperature.<br />
Fig. 3-9 , Barbour et al. 1999
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