Results 61 to 70 of about 489,615 (166)

Changes in participant behaviour and attitudes are associated with knowledge and skills gained by using a turtle conservation citizen science app

open access: yesPeople and Nature, 2021
Citizen science has become a popular way to collect biodiversity data and engage the wider public in scientific research. It has the potential to improve the knowledge and skills of participants, and positively change their behaviour and attitude towards
Claudia Santori   +5 more
doaj   +1 more source

Vertebrate Natural History Notes from Arkansas, 2017 [PDF]

open access: yes, 2017
Because meaningful observations of natural history are not always part of larger studies, important pieces of information often are unreported. Small details, however, can fills gaps in understanding and also lead to interesting questions about ...
Buckley, M.   +10 more
core   +3 more sources

Modelling Oscillator synchronisation during vertebrate axis segmentation [PDF]

open access: yes, 2013
he somitogenesis clock regulates the periodicity with which somites form in the posterior pre-somitic mesoderm. Whilst cell heterogeneity results in noisy oscillation rates amongst constituent cells, synchrony within the population is maintained as ...
A Goldbeter   +21 more
core   +1 more source

Inference of gene loss rates after whole genome duplications at early vertebrates through ancient genome reconstructions [PDF]

open access: yesarXiv, 2018
The famous 2R hypothesis was first proposed by Susumu Ohno in 1970. It states that the two whole genome duplications had shaped the genome of early vertebrates. The most convincing evidence for 2R hypothesis comes from the 4:1 ratio chromosomal regions that have preserved both gene content and order in vertebrates compared with closely related. However,
arxiv  

Deciphering the phylogenetic history of neuroserpin orthologs across metazoans by analysis of synteny and rare genomic characters [PDF]

open access: yes, 2008
The superfamily of serine proteinase inhibitors (serpins) is involved in wide arrays of fundamental biological processes such as blood coagulation, complement activation, fibrinolysis, angiogenesis, inflammation and tumor suppression. The average protein
Abhishek Kumar, Hermann Ragg
core   +2 more sources

Urban biodiversity: an insight into the terrestrial vertebrate diversity of Guwahati, India

open access: yesJournal of Threatened Taxa, 2018
This study focuses on the assessment of the terrestrial vertebrate diversity of Guwahati.  Twenty-six species of amphibians, 57 species of reptiles, 214 species of birds, and 36 species of mammals were recorded during the study period.
Jayaditya Purkayastha
doaj   +1 more source

Motif analysis of amphioxus, lamprey and invertebrate estrogen receptors and amphioxus and human estrogen-related receptors: Towards a better understanding of estrogen receptor evolution [PDF]

open access: yes, 2008
*Background.* The origins of steroid-dependent regulation of the vertebrate estrogen receptor (ER) are poorly understood. Genes with statistically significant sequence similarity to vertebrate ERs have been found in lamprey, a basal vertebrate, and ...
Charlie Chandsawangbhuwana   +1 more
core   +2 more sources

Behaviour of filariae: morphological and anatomical signatures of their life style within the arthropod and vertebrate hosts [PDF]

open access: yes, 2003
This paper attempts to pinpoint the most original morphological anatomical features of the biology of filariae per se and those which are or could be important for triggering regulatory processes in the arthropod vector and uncontrolled pathogenic ...
Babayan, S., Bain, O.
core   +5 more sources

A gathering of minds: expanding understanding of the origins of biological diversity and the evolution of developmental mechanisms

open access: yesEvoDevo, 2012
This paper is a short report on the 2012 Society of Integrative and Comparative Biology Annual Meeting. Charleston, South Carolina, USA. 3-7 January 2012 (abstracts freely available at http://www.sicb.org/meetings/2012/).
Byrum Christine A
doaj   +1 more source

The evolution and variety of RFamide-type neuropeptides: insights from deuterostomian invertebrates [PDF]

open access: yes, 2014
Five families of neuropeptides that have a C-terminal RFamide motif have been identified in vertebrates: (1) gonadotropin-inhibitory hormone (GnIH), (2) neuropeptide FF (NPFF), (3) pyroglutamylated RFamide peptide (QRFP), (4) prolactin-releasing peptide (
Elphick, MR, Mirabeau, O
core   +1 more source

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