05 - Heavy Metal: Effects of Environmental Toxins on C. elegans
Experimental Results and Analysis Copper, zinc, and cadmium should have a minimal effect on wild-type worms. In contrast, thrash rates in the mutant strain should decrease in the presence of these heavy metals. Zinc and copper can cause significantly slowing in the mutant strain worms while cadmium can cause complete mobility loss within the time frame of this experiments. Below are representa- tive results from in house testing. Exact values will vary.
Heavy Metal - COPPER
Control Solution
Wild Type Thrash Count (30 sec.)
Mutant Strain Thrash Count (30 sec.)
Wild Type Thrash Count (30 sec.)
Mutant Strain Thrash Count (30 sec.)
0 min.
39
38
0 min.
45
38
2 min.
40
38
2 min.
43
36
4 min.
38
10
4 min.
41
38
Heavy Metal - ZINC
Heavy Metal - CADMIUM
Wild Type Thrash Count (30 sec.)
Mutant Strain Thrash Count (30 sec.)
Wild Type Thrash Count (30 sec.)
Mutant Strain Thrash Count (30 sec.)
39
42
44
40
0 min.
0 min.
37
14
39
33
2 min.
2 min.
39
0
37
6
4 min.
4 min.
63
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