Malpighian tubules


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Malpighian tubules

or

Malpighian tubes

pl n
(Zoology) organs of excretion in insects and many other arthropods: narrow tubules opening into the anterior part of the hindgut
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RNAs from different tissues (fat body, midgut, and Malpighian tubules of adults), as well as 1st- and 2nd-instar larvae, were isolated by using RNeasy[R] Plus Micro Kit with Qiageng DNA Eliminator spin column (Qiagen, Hilden, Germany).
Associated with the digestive tract, but part of the excretory system, are the Malpighian tubules (Figure 4).
What we observed was quite intriguing: in Celera, Cyp6g1 was expressed in the midgut, the Malpighian tubules and the fat body, the tissues 'traditionally' associated with the detoxification of xenobiotics.
Temperature-shocked larvae (positive controls) showed a maximum [beta]-galactosidase activity in all the tissues except Malpighian tubules (Figure 2B).
Giebultowicz of Oregon State University in Corvallis and her colleagues have found biological clocks in the testes of moths and in the fruit fly's Malpighian tubules, excretory organs similar to kidneys.