Scott A Nichols
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Explore the profile of Scott A Nichols including associated specialties, affiliations and a list of published articles.
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19
Citations
476
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Recent Articles
11.
Robinson J, Sperling E, Bergum B, Adamski M, Nichols S, Adamska M, et al.
J Exp Zool B Mol Dev Evol
. 2013 Jan;
320(2):84-93.
PMID: 23349041
We present the discovery of microRNAs (miRNAs) in the calcisponges Sycon and Leucosolenia (phylum Calcarea), and potential miRNAs in the homoscleromorph Oscarella carmela (Phylum Homoscleromorpha), expanding the complement of poriferan...
12.
Dayel M, Alegado R, Fairclough S, C Levin T, Nichols S, McDonald K, et al.
Dev Biol
. 2011 Jun;
357(1):73-82.
PMID: 21699890
It has been posited that animal development evolved from pre-existing mechanisms for regulating cell differentiation in the single celled and colonial ancestors of animals. Although the progenitors of animals cannot...
13.
Leys S, Nichols S, Adams E
Integr Comp Biol
. 2011 Jun;
49(2):167-77.
PMID: 21669855
An epithelium is important for integrity, homeostasis, communication and co-ordination, and its development must have been a fundamental step in the evolution of modern metazoan body plans. Sponges are metazoans...
14.
Jacobs D, Nakanishi N, Yuan D, Camara A, Nichols S, Hartenstein V
Integr Comp Biol
. 2011 Jun;
47(5):712-23.
PMID: 21669752
Cnidaria have traditionally been viewed as the most basal animals with complex, organ-like multicellular structures dedicated to sensory perception. However, sponges also have a surprising range of the genes required...
15.
Sipkema D, Holmes B, Nichols S, Blanch H
Microb Ecol
. 2009 May;
58(4):903-20.
PMID: 19471996
We have characterised the northern Pacific undescribed sponge Haliclona (?gellius) sp. based on rDNA of the sponge and its associated microorganisms. The sponge is closely related to Amphimedon queenslandica from...
16.
Erpenbeck D, Nichols S, Voigt O, Dohrmann M, Degnan B, Hooper J, et al.
J Mol Evol
. 2007 Apr;
64(5):543-57.
PMID: 17460808
Many rDNA molecular phylogenetic studies result in trees that are incongruent to either alternative gene tree reconstructions and/or morphological assumptions. One reason for this outcome might be the application of...
17.
Nichols S, Dirks W, Pearse J, King N
Proc Natl Acad Sci U S A
. 2006 Aug;
103(33):12451-6.
PMID: 16891419
In stark contrast to the rapid morphological radiation of eumetazoans during the Cambrian explosion, the simple body plan of sponges (Phylum Porifera) emerged from the Cambrian relatively unchanged. Although the...
18.
Nichols S
Mol Phylogenet Evol
. 2004 Dec;
34(1):81-96.
PMID: 15579383
Large subunit ribosomal DNA (LSU rDNA) sequence data from 120 taxa and cytochrome oxidase subunit 1(COI) sequence data from 27 taxa are analyzed separately and together to estimate the internal...
19.
Worheide G, Nichols S, Goldberg J
Mol Phylogenet Evol
. 2004 Nov;
33(3):816-30.
PMID: 15522806
The internal transcribed spacer regions (ITS1 and ITS2) of the tandemly repeated nuclear ribosomal DNA clusters are frequently used as markers for fine scale analyses in diverse animals. In certain...