J. W. Hastings

Publications350
h-index64
Citations15,521
Highly Influential Citations350
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Cellular Control of the Synthesis and Activity of the Bacterial Luminescent System
TLDR
In bioluminescent bacteria growing in shake flasks, the enzyme luciferase has been shown to be synthesized in a relatively short burst during the period of exponential growth, attributed to a stimulation of existing patterns of synthesis.
Bacterial bioluminescence: its control and ecological significance.
TLDR
The objective was to establish an experimental procedure and show direct AFM measurements that unequivocally can be assigned as luminescence-like responses to the presence of nonculturable symbionts in the biochemistry of Luminous Bacteria.
Induction of luciferase synthesis in Beneckea harveyi by other marine bacteria
TLDR
It was shown that many marine bacteria produce a substance that mimics its action, but in different amounts, (20–130% of the activity produced by B. harveyi) depending on the species and strain, and none of the bacteria tested produced detectable quantities of inducer for P. fischeri.
Total Quantum Flux of Isotropic Sources
The total radiant flux from a solution containing a radioactive compound, hexadecane-1-C14, plus an appropriate scintillator has been determined. The procedure used involves comparison of its…
Biochemistry and physiology of bioluminescent bacteria.
Bacterial bioluminescence.
Chemistries and colors of bioluminescent reactions: a review.
ON THE MECHANISM OF TEMPERATURE INDEPENDENCE IN A BIOLOGICAL CLOCK.
TLDR
Temperature independence constitutes support for the idea that a diurnal rhythm could be related to an accurate biological timing device, or clock, and if, in fact, the rhythms are related to a chronometer mechanism, the significance of temperature independence is clear.
Molecular evolution of dinoflagellate luciferases, enzymes with three catalytic domains in a single polypeptide.
TLDR
This study of luciferases from seven dinoflagellate species examines the previously undescribed evolution of such proteins, suggesting that the Lingulodinium polyedrum luciferase diverged early from the other six.
Two different domains of the luciferase gene in the heterotrophic dinoflagellate Noctiluca scintillans occur as two separate genes in photosynthetic species
TLDR
It is reported that the structural organization of the luciferase gene of Noctiluca scintillans is strikingly different from that of the seven luminous species previously characterized, all of which are photosynthetic.
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