Isolation and characterization of novel tachykinins from the posterior salivary gland of the common octopus Octopus vulgaris

Peptides ◽  
2003 ◽  
Vol 24 (1) ◽  
pp. 35-43 ◽  
Author(s):  
Atsuhiro Kanda ◽  
Eiko Iwakoshi-Ukena ◽  
Kyoko Takuwa-Kuroda ◽  
Hiroyuki Minakata
2007 ◽  
Vol 18 (3) ◽  
pp. 263-271 ◽  
Author(s):  
Laila Oukhattar ◽  
Tarik Baibai ◽  
Adnane Moutaouakkil ◽  
Omar Assobhei ◽  
Abdelaziz Soukri

2018 ◽  
Vol 17 (11) ◽  
pp. 3866-3876 ◽  
Author(s):  
Legana C. H. W. Fingerhut ◽  
Jan M. Strugnell ◽  
Pierre Faou ◽  
Álvaro Roura Labiaga ◽  
Jia Zhang ◽  
...  

2017 ◽  
Vol 61 (3) ◽  
Author(s):  
Gianluca Accogli ◽  
Giovanni Scillitani ◽  
Donatella Mentino ◽  
Salvatore Desantis

<p>The O<em>ctopus vulgaris</em> farming is impaired by the high mortality of the paralarvae during the first month of life. Several factors have been investigated in this regard, but no data exist on the body surface mucus, which represents the interface with the outside environment. This study included morphometric analysis and glycoconjugates characterization of skin mucus in reared <em>Octopus vulgaris</em> paralarvae during the first month of life. Four types of mucous cells were distinguished:  mucous 1 (m1) and mucous 2 (m2) cells were scattered in the mantle epidermis, mucous 3 (m3) and mucous 4 (m4) in the epithelium surrounding the sucker. Except for the presence of fucosylated and neutral glycoconjugates in all mucous cells, each cell type expressed a characteristic glycopattern. m2 and m4 contained also suphate and acid non-sulphate glycans, m3 lacked suphate glycoproteins. Lectin histochemistry showed that mantle mucous cells (m1, m2) expressed GlcNAc and lactosamine terminating glycans. m2 also contained GalNAc terminal or penultimate to sialic acid. m3 was distinguished by mannosylated glycans terminating with lactosamine and m4 by α2,6 sialoglycans. Glycoproteins terminating with lactosamine, Galβ1,3GalNAc, and α1,6-linked fucose were a common feature of paralarvae surface layer. Morphometry revealed a significant decrease of m1 and m2 abundance during the first month of life, afterwards the reared paralarvae died. Since the glycopattern did not change during the investigated period, the mantle mucous cells abundance could be related to the <em>Octopus vulgaris</em> paralarvae survival. </p>


2014 ◽  
Vol 44 (1) ◽  
pp. 50-58 ◽  
Author(s):  
S. Castellanos-Martínez ◽  
M. Prado-Alvarez ◽  
A. Lobo-da-Cunha ◽  
C. Azevedo ◽  
C. Gestal

2013 ◽  
Vol 34 (6) ◽  
pp. 1699
Author(s):  
S. Castellanos-Martínez ◽  
M. Prado-Alvarez ◽  
A. Lobo-da-Cunha ◽  
C. Azevedo ◽  
C. Gestal

Author(s):  
Madhubhushan M ◽  
Seshaiah S ◽  
Chandrudu J ◽  
Sagar R ◽  
Akila CR

The common watermelon item (Citrullus lanatus) seeds were gained from castoffs verdant nourishments for use by decorating, sun ventilation and pulverizing. Light yellow-toned oil was gotten by dissolvable withdrawal using oil atmosphere and the going with traits were gotten using oil ether: pH, refractive rundown, thickness, dissolvable miscibility, coagulating temperature, fire nature, express gravity, streak point and warmth of consuming. With a shallow level of unsaturation, stepped level of smoothness, and proximity of raised degree of the sensible proportion of free unsaturated fats. The low assessment of the solidifying temperature of the oil offered a hint that the oil can be managed in various areas paying little heed to the qualification in temperature. The following level of linoleic destructive of the oil offers a hint of natural gradation of solidarity. Fatty esters are increasing expanding significance as a biodegradable swap for mineral oils. In some request regions, for example, cutting tool oil, gearbox, pressure-driven oils, and greases for raw petroleum creation, the oleochemical items are set up. Nonetheless, certain particular wellsprings of fatty esters are hitherto to be abused for this comparative reason. This exploration subsequently tests into one of the less used wellsprings of fatty esters in watermelon. The oil from the kernels demonstrations a top-notch yield presents significant utilitarian gatherings for change and thus was utilized to set up an assortment of oleochemicals which demonstrated excellence materials in contrast with the routinely utilized oils feed frameworks for oleochemicals after portrayal. The photopolymers acquired indicated piercing vinyl protons for consistent polymerize.


Aquaculture ◽  
2004 ◽  
Vol 238 (1-4) ◽  
pp. 221-238 ◽  
Author(s):  
Paulo Vaz-Pires ◽  
Pedro Seixas ◽  
Alexandra Barbosa

2019 ◽  
Author(s):  
Pamela Imperadore ◽  
Dario Parazzoli ◽  
Amanda Oldani ◽  
Michael Duebbert ◽  
Ansgar Büschges ◽  
...  

AbstractSpontaneous nerve regeneration in cephalopod molluscs occurs in a relative short time after injury, achieving functional recovery of the lost capacities. In particular, transection of the pallial nerve in the common octopus (Octopus vulgaris) determines loss and subsequent restoring of two functions fundamental for survival, i.e. breathing and skin patterning, the latter involved in communication between animals and concealing. The phenomena occurring after lesion have been investigated in a series of previous studies, but a complete analysis of the changes occurring at the level of the axons and the effects on animals appearance during the whole regenerative process is still missing. Our goal is to determine the course of events following injury. Our goal is to determine the course of events following injury, from impairment to full recovery.We observed nerve regeneration, end-target re-innervation and functional reconnections between central brain and periphery, using the contralateral nerve in the same animal as internal control. The final architecture of the regenerated nervous tissue does not mirror the original structure, however functionality returns to match the phenotype of an intact octopus, and with no visible impact on the behaviour of the animal. This provides exceptional value to these findings for future studies.Summary statementHere we report events occurring after interruption of the peripheral neural circuitry inOctopus vulgaris, from the dramatic loss of normal functioning to full recovery.


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