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Genomics, transcriptomics, and peptidomics of Daphnia pulex neuropeptides and protein hormones.
We report 43 novel genes in the water flea Daphnia pulex encoding 73 predicted neuropeptide and protein hormones as partly confirmed by RT-PCR. MALDI-TOF mass spectrometry identified 40 neuropeptides
The ultrastructure of nerve endings containing pigment-dispersing hormone (PDH) in crustacean sinus glands: Identification by an antiserum against a synthetic PDH
The antigen demonstrated by immunocytochemistry is identical or very similar to one of the known PDHs, which is coincident with a zone of biological activity.
Comparative anatomy of pigment-dispersing hormone-immunoreactive neurons in the brain of orthopteroid insects
The unusual branching patterns and the special neurochemical phenotype suggest a particular physiological role of these neurons in the brain of several orthopteroid insects, including locusts, crickets, a cockroach, and a phasmid.
Crustacean hyperglycaemic hormone (CHH)-like peptides and CHH-precursor-related peptides from pericardial organ neurosecretory cells in the shore crab, Carcinus maenas, are putatively spliced and
PO-CHH neither exhibits hyperglycaemic activity in vivo, nor does it inhibit Y-organ ecdysteroid synthesis in vitro, and from the morphology of the neurons it seems likely that novel functions remain to be discovered.
Crustacean cardioactive peptide‐immunoreactive neurons in the hawkmoth Manduca sexta and changes in their immunoreactivity during postembryonic development
Many of the neurons identified here are comparable to crustacean cardioactive peptide‐immunoreactive cells described previously in locusts and the mealworm beetle.
Peptidergic clock neurons in Drosophila: Ion transport peptide and short neuropeptide F in subsets of dorsal and ventral lateral neurons
These findings emphasize that the LNds are heterogeneous both anatomically and with respect to content of neuropeptides, cryptochrome, and other markers and suggest diverse functions of these neurons.
Identification and developmental expression of mRNAs encoding crustacean cardioactive peptide (CCAP) in decapod crustaceans
The results offer the first tantalising glimpses of involvement of CCAP in environmental adaptation to extreme, yet biologically relevant stressors, and perhaps suggest that the CCAP-containing neurones in the eyestalk might be involved in adaptation to environmental stressors.
A remarkable, precisely timed release of hyperglycemic hormone from endocrine cells in the gut is associated with ecdysis in the crab Carcinus maenas.
It is proposed that the ionoregulatory process controlled by CHH may be common to arthropods, in that, for insects, a similar mechanism seems to be involved in antidiuresis and also seems likely that a cascade of very precisely coordinated release of (neuro) hormones controls ecdysis.
The Ion Transport Peptide Is a New Functional Clock Neuropeptide in the Fruit Fly Drosophila melanogaster
ITP and PDF are the clock's main output signals that cooperate in controlling the flies' activity rhythms, suggesting a role for ITP in clock output pathways rather than in the communication within the clock network.