P L Walne
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Explore the profile of P L Walne including associated specialties, affiliations and a list of published articles.
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20
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86
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Recent Articles
1.
Lembi C, Walne P
J Phycol
. 2016 Apr;
5(3):202-5.
PMID: 27096338
Ultrastructural investigations of the development and structure of pseudocilia in Tetraspora lubrica and Schizochlamys sp. have disclosed interconnections between cytoptasmic microtubules and pseudo-cilial basal bodies heretofore unreported. Connections between elements...
2.
Walne P, Arnott H
Planta
. 2014 Feb;
77(4):325-53.
PMID: 24522608
The structure of Euglena granulata and Chlamydomonas eugametos has been studied using polarization and electron microscopy, cinematography, and chemical extraction procedures, with the main focus on the structure of the...
3.
Barsanti L, Passarelli V, Walne P, Gualtieri P
FEBS Lett
. 2000 Oct;
482(3):247-51.
PMID: 11024469
We isolated the photoactive protein Erh, isolated from the photoreceptor of the unicellular photosynthetic flagellate Euglena gracilis. It is a 27 kDa protein with a photocycle resembling that of sensory...
4.
Barsanti L, Passarelli V, Walne P, Gualtieri P
Biophys J
. 1997 Feb;
72(2 Pt 1):545-53.
PMID: 9017185
We present the light-induced photocycle of the paraflagellar swelling of Euglena gracilis. The kinetics of this process was reconstructed by sampling its fluorescence emission and switching the excitation light from...
5.
Barsanti L, Passarelli V, Lenzi P, Walne P, Dunlap J, Gualtieri P
Vision Res
. 1993 Oct;
33(15):2043-50.
PMID: 8266645
We present experiments that test the effects of agents commonly used in visual pigment investigations, namely hydroxylamine (NH2OH), digitonin and triton X-100, on the photoreceptor and photoreception of Euglena. Hydroxylamine...
6.
Walne P, Lenci F, Mikolajczyk E, COLOMBETTI G
Cell Biol Int Rep
. 1984 Dec;
8(12):1017-27.
PMID: 6440713
Pronase-treated cells of Euglena gracilis Z show no discernible ultrastructural effects on the photoreceptor apparatus; however, there are physiological effects on swimming speed and on step-up and step-down photophobic responses,...
7.
Kivic P, Walne P
Biosystems
. 1983 Jan;
16(1):31-8.
PMID: 6871386
We postulate that algal photoresponse mechanisms are of relatively recent origin and represent numerous parallel evolutions. Functional differences among them are evident, and it is unlikely that any one can...
8.
Palisano J, Walne P, Brown D
Eur J Cell Biol
. 1980 Aug;
21(3):305-12.
PMID: 6778696
Proplastids at various stages of development and mature chloroplasts were isolated by zonal centrifugation in a double-sigmoid, sucrose-sorbitol gradient from Euglena gracilis var. bacillaris grown in darkness and subjected to...
9.
Moestrup O, Walne P
J Cell Sci
. 1979 Apr;
36:437-59.
PMID: 457817
Ultrastructural investigations of scale formation in the cisternae of the Golgi apparatus have been carried out on the prasinophycean flagellate Pyramimonas tetrarhynchus, whose cell surfaces are covered with 6 different...
10.
Hilenski L, Walne P, Snyder F
Plant Physiol
. 1976 Apr;
57(4):645-6.
PMID: 16659543
Isolated eyespot granules of Euglena gracilis Klebs var. bacillaris Pringsheim contained approximately 6% lipids (based on protein). Separation of the lipid extracts by thin layer chromatography revealed four major fractions:...