Latia neritoides | |
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Latia neritoides shells (syntype at MNHN, Paris) | |
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Species: | L. neritoides |
Binomial name | |
Latia neritoides Gray, 1850 | |
Synonyms | |
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Latia neritoides is a species of small freshwater snail or limpet, an aquatic gastropod mollusc in the family Latiidae.
The type specimen is in the British Museum. [2]
The specific epithet "neritoides" means "like a nerite". The shell of this species has an internal shelf or lamella, but it more closely resembles a shell of a Crepidula than it does a Nerita .
This species is endemic to the North Island of New Zealand.
This limpet lives in clean running streams and rivers. [3]
The length of the shell is up to 11 mm. The width of the shell is up to 8 mm. The height of the shell is up to 4.5 mm. [3]
If the length of the shell is 8.5 mm, the width of the shell is 6 mm. The height of the shell is 3 mm. [2]
The shell is semiovate, thin and fragile, almost smooth, brown, semitransparent. Sculpture consisting of microscopic rather distant radiate striae, and fine dense concentric growth-lines. Colour pale to dark brown; interior dark brown in the centre, the lamina white. Apex posterior, extending a little beyond the margin, with a spiral nucleus of 1 whorl, visible on the right side. The apex is generally on the left side, but sometimes near the middle of the posterior margin. [2]
The aperture is large, oval, the thin sharp margin generally rounded, but the posterior part of it is occasionally straightened and forming more or less distinct angles with the lateral sides, which themselves may become almost straight. The inside is polished. The lamella has the left attached end near the middle of the left margin, but the right free end does not extend beyond the posterior third of the length of the shell. [2]
The animal has ringed filiform tentacles. The eyes are situated at the outer bases of the tentacles. [2]
The formula of the radula is 30 x 27 + 1 + 27. The central tooth is small and bicuspid. The lateral teeth increasing in size up to the 16th, and then diminish again, they have first 1, then 2, and near the margin 3 cusps. [2] Further details on its morphology and internal anatomy are given in Meyer-Rochow & Moore [4]
These animals are bioluminescent and highly phosphorescent. This can easily be seen in the dark by disturbing the animals, or by adding a few drops of alcohol to the water. [2] This is the only known freshwater gastropod that emits light. The light stems from a luminescent slime that is emitted by the snail when it gets disturbed or is attacked by a predator such as a crayfish, an eel, or even a dragonfly nymph. Further details on its ecology and general biology can be found in. [5] Latia luciferin is chemically (E)-2-methyl-4-(2,6,6-trimethyl-1-cyclohex-1-yl)-1-buten-1-ol formate. [6]
The chemical reaction is like this: [6] [7]
XH2 is a reducing agent. The reaction is catalyzed by the enzyme luciferase and a purple protein. [7]
Bioluminescence is the production and emission of light by a living organism. It is a form of chemiluminescence. Bioluminescence occurs widely in marine vertebrates and invertebrates, as well as in some fungi, microorganisms including some bioluminescent bacteria, and terrestrial arthropods such as fireflies. In some animals, the light is bacteriogenic, produced by symbiotic bacteria such as those from the genus Vibrio; in others, it is autogenic, produced by the animals themselves.
Luciferase is a generic term for the class of oxidative enzymes that produce bioluminescence, and is usually distinguished from a photoprotein. The name was first used by Raphaël Dubois who invented the words luciferin and luciferase, for the substrate and enzyme, respectively. Both words are derived from the Latin word lucifer, meaning "lightbearer", which in turn is derived from the Latin words for "light" (lux) and "to bring or carry" (ferre).
Luciferin is a generic term for the light-emitting compound found in organisms that generate bioluminescence. Luciferins typically undergo an enzyme-catalyzed reaction with molecular oxygen. The resulting transformation, which usually involves splitting off a molecular fragment, produces an excited state intermediate that emits light upon decaying to its ground state. The term may refer to molecules that are substrates for both luciferases and photoproteins.
Glowworm or glow-worm is the common name for various groups of insect larvae and adult larviform females that glow through bioluminescence. They include the European common glow-worm and other members of the Lampyridae, but bioluminescence also occurs in the families Elateridae, Phengodidae, and Rhagophthalmidae among beetles; as well as members of the genera Arachnocampa, Keroplatus, and Orfelia among keroplatid fungus gnats.
Bioluminescence imaging (BLI) is a technology developed over the past decade that allows for the noninvasive study of ongoing biological processes. Recently, bioluminescence tomography (BLT) has become possible and several systems have become commercially available. In 2011, PerkinElmer acquired one of the most popular lines of optical imaging systems with bioluminescence from Caliper Life Sciences.
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Gundlachia lucasi is a species of minute freshwater snail or limpet, an aquatic pulmonate gastropod mollusk or micromollusk in the family Planorbidae.
Ferrissia neozelanica, also known as Gundlachia neozelanica, is a species of minute freshwater limpet, an aquatic pulmonate gastropod mollusk, or micromollusk, in the family Planorbidae.
Trimusculus conicus is an air-breathing sea snail or false limpet, a pulmonate gastropod mollusc in the family Trimusculidae, the button snails.
In enzymology, a Latia-luciferin monooxygenase (demethylating) (EC 1.14.99.21) is an enzyme that catalyzes the chemical reaction
Latia climoi is a species of small freshwater snail or limpet, an aquatic gastropod mollusc in the family Latiidae. It is the holotype of its genus.
Latia lateralis is a species of small freshwater snail or limpet, an aquatic gastropod mollusc in the family Latiidae.
Coelenterazine is a luciferin, a light-emitting molecule, found in many aquatic organisms across eight phyla. It is the substrate of many luciferases such as Renilla reniformis luciferase (Rluc), Gaussia luciferase (Gluc), and photoproteins, including aequorin, and obelin. All these proteins catalyze the oxidation of this substance, an reaction catalogued EC 1.13.12.5.
Vargulin, also called Cypridinid luciferin, Cypridina luciferin, or Vargula Luciferin, is the luciferin found in the ostracod Cypridina hilgendorfii, also named Vargula hilgendorfii. These bottom dwelling ostracods emit a light stream into water when disturbed presumably to deter predation. Vargulin is also used by the midshipman fish, Porichthys.
Hinea brasiliana, common name the yellow-coated clusterwink, is a species of small sea snail, a gastropod mollusc in the family Planaxidae. It is native to New Zealand and southeastern Australia where it is found in the littoral zone of rocky shores. It is one of only a few sea snail species able to bioluminesce.
Quantula striata, also known as Dyakia striata, is a species of medium-sized, air-breathing, tropical land snail. It is a terrestrial, pulmonate, gastropod mollusk in the family Dyakiidae. This species appears to be unique among terrestrial gastropods in that it is bioluminescent: Its eggs glow in the dark, and juveniles and most adults give off flashes of green light. It is the only species in the genus Quantula.
Motyxia is a genus of cyanide-producing millipedes that are endemic to the southern Sierra Nevada, Tehachapi, and Santa Monica mountain ranges of California. Motyxias are blind and produce the poison cyanide, like all members of the Polydesmida. All species have the ability to glow brightly: some of the few known instances of bioluminescence in millipedes.
Diplocardia longa is a species of earthworm native to North America. It was first described by the American zoologist John Percy Moore in 1904. The type locality is Hawkinsville, Georgia. This worm has bioluminescent properties; its body fluids and the sticky slime it exudes when stimulated emit a bluish glow.
Marine dinoflagellates at night can emit blue light by bioluminescence, a process also called “the phosphorescence of the seas”. Light production in these single celled organisms is produced by small structures in the cytoplasm called scintillons. Among bioluminescent organisms, only dinoflagellates have scintillons.
This article incorporates public domain text from the reference [2]
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