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Anatomy of the posterior lateral line system in young larvae of the zebrafish
The anatomy of neuromasts, afferent sensory neurons, and efferent neurons of the midbody branch of the posterior lateral line in larvae of the zebrafish, 5 days after fertilization is studied.
Repeat-induced G-C to A-T mutations in Neurospora.
DNA sequencing and heteroduplex analyses demonstrated that the process (termed RIP) produces exclusively G-C to A-T mutations, and the results suggest a mechanism for the RIP process.
Isosphaera pallida, gen. and comb. nov., a gliding, budding eubacterium from hot springs
An unusual filamentous, budding bacterium was isolated from several North American hot springs and named Isosphaera pallida, and it is proposed that this highly unusual prokaryote be placed in a new genus.
Chi sites in combination with RecA protein increase the survival of linear DNA in Escherichia coli by inactivating exoV activity of RecBCD nuclease.
It is shown that after terminase has cut cos in vivo, nucleases degrade linearized DNA only from the end that does not have a strong terminase binding site, which means linearized cosmid DNA containing chi sites in the proper orientation to the unprotected end is degraded more slowly in rec+ E. coli than is chi‐less DNA.
Functional development in the Mauthner cell system of embryos and larvae of the zebra fish.
The data suggest that long-term inhibitory control of the M-cell system begins to function at about the time of hatching, at this time the cell is morphologically mature and is richly supplied with synaptic endings over its soma and dendrites.
T reticular interneurons: A class of serially repeating cells in the zebrafish hindbrain
A class of reticular neurons, named T interneurons after the branching pattern of their axons, are described in young larvae of the zebrafish Brachydanio rerio, and receive synaptic input from the Mauthner neurons, from unidentified axons in the mlf, and perhaps from trigeminal sensory fibers.
Cell wall and lipid composition of Isosphaera pallida, a budding eubacterium from hot springs
An analysis of the lipid composition of I. pallida revealed typical ester-linked lipids with unbranched fatty acids, in contrast to the isoprenyl ether- linked lipids of archaebacteria, which also have proteinaceous cell walls.
Structural analysis of membrane‐bound retrovirus capsid proteins
The results predict that Gag hexamers constitute a retrovirus core substructure, and that cage hole sizes define an exclusion limit for entry of retroviral envelope proteins, or other plasma membrane proteins, into virus particles.
Erythrocruorins of Euzonus mucronata treadwell: Evidence for a dimeric annelid extracellular hemoglobin
Abstract 1. 1. The extracellular hemoglobin of the opheliid polychaete Euzonus mucronata is unusual in that it consists of a 3.2 × 10 6 as well as a 6–7 × 10 6 molecular weight hemoglobin at pH 7.O.
The quaternary structure of a molluscan (Helisoma trivolvis) extracellular hemoglobin.
The hemoglobin (erythrocruorin) of the planorbid mollusc Helisoma trivolvis has a molecular weight of 1.7-10(6)dalton circular assembly of ten 175-200 000 dalton polypeptide chains and the amino acid composition of the pigment is reported.