Results 151 to 160 of about 7,945 (205)

Todarodes sagittatus (Lamarck, 1798) [PDF]

open access: yes, 2015
Allcock, A. Louise   +6 more
core  

A newly isolated Streptomyces nigra strain for the biotechnological production of melanin. [PDF]

open access: yesAppl Microbiol Biotechnol
Cimini D   +11 more
europepmc   +1 more source
Some of the next articles are maybe not open access.

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GnRH in the brain and ovary of Sepia officinalis

Peptides, 2009
We have cloned from brain, ovary and eggs of the cephalopod Sepia officinalis a 269-bp PCR product, which shares 100% sequence identity with the open reading frame of GnRH isoform isolated from Octopus vulgaris. Similar to Octopus, this sequence encodes a peptide that is organized as a preprohormone from which, after enzymatic cleavage, a dodecapeptide
C. DI CRISTO, E. DE LISA, DI COSMO, ANNA
openaire   +3 more sources

Sperm nucleomorphogenesis in the cephalopod Sepia officinalis

Tissue and Cell, 2007
Sperm nucleomorphogenesis in the cephalopod Sepia officinalis is the product of the interaction between perinuclear microtubules and condensing chromatin. This interaction occurs during spermiogenesis and is established through the nuclear membrane. As in other cephalopod species, the perinuclear microtubules are transient structures. In the case of S.
F, Martínez-Soler, K, Kurtz, M, Chiva
openaire   +2 more sources

Arm regeneration in two species of cuttlefish Sepia officinalis and Sepia pharaonis

Invertebrate Neuroscience, 2013
To provide quantitative information on arm regeneration in cuttlefish, the regenerating arms of two cuttlefish species, Sepia officinalis and Sepia pharaonis, were observed at regular intervals after surgical amputation. The third right arm of each individual was amputated to ~10-20 % starting length.
Jedediah, Tressler   +4 more
openaire   +2 more sources

Learning performances and aging in cuttlefish (Sepia officinalis)

Experimental Gerontology, 1992
The use of an associative learning protocol with negative reinforcement allowed us to compare the performances of three groups of animals: young, middle-aged, and senescent. Statistical analysis of the results does not enable us to assert that a significant difference exists between the learning speeds of young and senescent animals.
R, Chichery, M P, Chichery
openaire   +2 more sources

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