(n.) A genus of fresh-water ganoid fishes, exclusively confined to North America; called bowfin in Lake Champlain, dogfish in Lake Erie, and mudfish in South Carolina, etc. See Bowfin.
Example Sentences:
(1) These results would suggest that N-terminal acetylation and C-terminal proteolytic cleavage are important post-translational modifications of the forms of Amia beta-endorphin.
(2) Its existence in adult Amia, in most Osteoglossomorpha, and in many non-euteleostean bony fishes suggests that its persistence in the adult stage is a primitive trait of bony fishes, and its absence in the Notopteroidei (with the exception of Hiodon) is a derived condition.
(3) The suppressor mutations had therefore dissociated the two properties associated with a mutation in the amiA cistron, namely aminopterin resistance and isoleucine sensitivity.
(4) However, the two distributions of integration efficiencies of amiA mutants arisen either in strain Cl(3) or strain 401 are significantly different.
(5) Amino acid metabolism was examined in mitochondria from the lateral red muscle of a teleost (lake char, Salvelinus namaycush) and a nonteleost fish (bowfin, Amia calva).
(6) Yellow corpuscles from the ventral surface of the anterior kidney in bowfins (Amia calva L.) converted [7-3H]pregnenolone to radioactive 11-deoxycortisol, cortisol, and corticosterone in vitro.
(7) In pneumococcal transformation a particular point mutation belonging to the amiA locus is able markedly to enhance recombination frequency when crossed with any other markers of this gene.
(8) A new technique is presented for determining the volume of extracellular space in bowfin (Amia calva) brain during in vitro incubation.
(9) Kinetic analyses of ligand binding indicate that the Bohr and Root effects of Amia calva hemoglobins are best explained by changes in both the "on" and "off" constants.
(10) It was first observed in two-point crosses between an amiA mutation (amiA36) carrying this sequence and other closely linked mutants of the locus.
(11) Homologous peptides belonging to the pancreatic polypeptide (PP) family were isolated from the pancreas of a teleostean fish, the American eel (Anguilla rostrata), an holostean fish, the bowfin (Amia calva) and an elasmobranch fish, the skate (Raja rhina), and their primary structures were determined.
(12) The two species of holosteans studied, Amia calva and Lepisosteus platyrhincus, exhibited changes of melanophore index (melanosome aggregation), indicating responses to MCH and to melatonin but no response to norepinephrine (NE).
(13) The nephron of adult bowfin, Amia calva, was described using light and electron microscopic techniques.
(14) Thus, the majority of quinacrine-induced mutants at the amiA locus of pneumococcus consists of frameshift mutations.
(15) The number of spontaneous amiA mutants, estimated by two methods, was found to be higher in strain 401 than in strain Cl(3).
(16) Amethopterin-resistant mutants belonging to the amiA locus were used for these investigations.
(17) The distribution of integration efficiencies of independent mutations spontaneously occurring in the amiA locus was determined in two strains of pneumococcus.
(18) The majority of the AMIA in all the animals was anti-idiotypic and wholly anti-idiotypic in the TLI animals.
(19) The primary structure of insulin from a holostean fish, the bowfin (Amia calva), was established as: A-chain: Gly-Ile-Val-Glu-Gln-Cys-Cys-Leu-Lys-Pro-Cys-Thr-Ile-Tyr-Glu-Met-Glu- Lys-Tyr-Cys-Asn B-chain: Ala-Ala-Ser-Gln-His-Leu-Cys-Gly-Ser-His-Leu-Val-Glu-Ala-Leu-Phe-Leu- Val-Cys-Gly-Glu-Ser-Gly-Phe-Phe-Tyr-Asn-Pro-Asn-Lys-Ser This amino acid sequence contains several substitutions (methionine at A16, phenylalanine at B16 and serine at B22) at sites that have been strongly conserved in other vertebrate species and that may be expected to influence biological activity.
(20) Ammonia-N was the major form of nonfaceal nitrogen excreted by L. amia and excretion rates were temperature-dependent.
Bowfin
Definition:
(n.) A voracious ganoid fish (Amia calva) found in the fresh waters of the United States; the mudfish; -- called also Johnny Grindle, and dogfish.
Example Sentences:
(1) The kidney of the bowfin possesses an abundant supply of renal corpuscles with each consisting of a glomerulus and a Bowman's capsule of visceral (podocyte) and parietal layers.
(2) Undecussated ipsilateral retinal projections, as present in the bowfin, are a widely distributed character in vertebrates and appear to be plesiomorphic for vertebrates.
(3) Amino acid metabolism was examined in mitochondria from the lateral red muscle of a teleost (lake char, Salvelinus namaycush) and a nonteleost fish (bowfin, Amia calva).
(4) Intracellular recordings were obtained from biphasic- and triphasic-type horizontal cells (C cells) in the retina of the bowfin.
(5) Yellow corpuscles from the ventral surface of the anterior kidney in bowfins (Amia calva L.) converted [7-3H]pregnenolone to radioactive 11-deoxycortisol, cortisol, and corticosterone in vitro.
(6) A new technique is presented for determining the volume of extracellular space in bowfin (Amia calva) brain during in vitro incubation.
(7) The posterior pretectal nucleus is relatively small in the bowfin, and the distribution of a small, versus a large, posterior pretectal nucleus in Teleostei and Halecomorphi suggests that this nucleus was small plesiomorphically.
(8) Homologous peptides belonging to the pancreatic polypeptide (PP) family were isolated from the pancreas of a teleostean fish, the American eel (Anguilla rostrata), an holostean fish, the bowfin (Amia calva) and an elasmobranch fish, the skate (Raja rhina), and their primary structures were determined.
(9) The rate of glutamine oxidation by bowfin mitochondria exceeds that of lake char mitochondria, and the bowfin displays correspondingly higher levels of mitochondrial phosphate-dependent glutaminase.
(10) The nephron of adult bowfin, Amia calva, was described using light and electron microscopic techniques.
(11) The findings in bowfin and other species suggest that both feedback and direct pathways shape the depolarizing response of C cells.
(12) The primary structure of insulin from a holostean fish, the bowfin (Amia calva), was established as: A-chain: Gly-Ile-Val-Glu-Gln-Cys-Cys-Leu-Lys-Pro-Cys-Thr-Ile-Tyr-Glu-Met-Glu- Lys-Tyr-Cys-Asn B-chain: Ala-Ala-Ser-Gln-His-Leu-Cys-Gly-Ser-His-Leu-Val-Glu-Ala-Leu-Phe-Leu- Val-Cys-Gly-Glu-Ser-Gly-Phe-Phe-Tyr-Asn-Pro-Asn-Lys-Ser This amino acid sequence contains several substitutions (methionine at A16, phenylalanine at B16 and serine at B22) at sites that have been strongly conserved in other vertebrate species and that may be expected to influence biological activity.
(13) To assess the role of triiodothyronine (T3) in mediating short-term changes in metabolism, such as those occurring in circadian patterns, we examined the effects of intraperitoneal injection of T3 on the oxidation of substrates by isolated mitochondria from liver of the bowfin, Amia calva, and red muscle and liver of the lake char, Salvelinus namaycush.
(14) Blood from the primitive holostean fish, the bowfin, Amia calva, contains 2 mo of ATP per mol of hemoglobin.
(15) The pattern of retinofugal projections in the bowfin is similar to that in other non-teleost actinopterygian fishes and in teleosts in most regards.
(16) Activity of sulfated CCK8 in bowfin, a holostean fish, suggests sensitivity of gallbladder to CCK-related intestinal hormones may be a general feature of osteichthyeans.
(17) Three hours after intraperitoneal injection of T3, oxidation of some substrates by mitochondria isolated from the liver of the bowfin was reduced.
(18) The retinofugal projections in the bowfin, a non-teleost actinopterygian, were studied by autoradiographic and horseradish peroxidase methods, and the cytoarchitecture of retinorecipient regions of the diencephalon was analyzed with serially sectioned, Bodian stained material.
(19) In the bowfin CCK immunostained cells were detected only in the anterior and mid-intestine; the stomach and the rest of the gastrointestinal tract were negative.
(20) The effect of hypophysectomy on chloride balance was examined in young-of-the-year bowfin, Amia calva.