3 edition of light and electron microscopical study of Nephroselmis olivacea (Prasinophyceae) found in the catalog.
light and electron microscopical study of Nephroselmis olivacea (Prasinophyceae)
1979 by Lund Botanical Society, [Distributor] Swedish Natural Science Research Council in Lund, Sweden, Stockholm, Sweden .
Written in English
|Statement||Øjvind Moestrup and Hanuš Ettl.|
|Series||Opera botanica,, 49, Opera botanica ;, v. 49.|
|LC Classifications||MLCM 91/00597 (Q)|
|The Physical Object|
|Pagination||39 p. :|
|Number of Pages||39|
|LC Control Number||91102696|
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Get this from a library. A light and electron microscopical study of Nephroselmis olivacea (Prasinophyceae). [Øjvind Moestrup; H Ettl]. Nephroselmis gaoae sp. nov. is described on the basis of light and electron microscope observations of cultured material originally collected and isolated from seawater of Jiaozhou Bay, Qingdao, China.
The periplasts on the cell body and flagella are covered by five types of scales, two types on the flagella and three on the body. Among these, the morphology Cited by: 6.
A light and electron micro-scopical study of Nephroselrnis olivacea (Prasinophyceae). Opera Bot. Downloaded from by San Francisco (UCSF) on 03/30/15 For personal. Abstract. Based on light and electron microscopical studies ofPyramimonas reticulata the genusPyramimonas is shown to contain a number of unrelated flagellates.P.
reticulata andP. montana are transferred to the new genusHafniomonas, cells of which differ fromPyramimonas in shape, in the absence of scales and hairs on the body and flagellar surfaces, in details of the Cited by: Nephroselmis gaoae sp.
nov. is described on the basis of light and electron microscope observations of cultured material originally collected and isolated from seawater of.
Nephroselmis astigmatica sp. nov. is described based on light and electron microscope observations of cultured material, originally collected and isolated from the Natal South Coast, Republic of South Africa.
It is characterized by (1) large cell size, (2) absence of a stigma, (3) markedly differentiated anterior part of the cell, (4) possessing two types of flagellar scales in. Moestrup Ø, Ettl H () A light and electron microscopical study of Nephroselmis olivacea (Prasinophyceae).
Opera Bot –40 Google Scholar Moestrup Ø, Hori T () Ultrastructure of the flagellar apparatus of in Pyramimonas octopus (Prasinophyceae) by: 9. Moestrup Ø, Throndsen J () Light and electron microscopical studies on Pseudoscourfieldia marina, a primitive scaly green flagellate (Prasinophyceae) with posterior flagella.
A light and electron microscopical study of Nephroselmis olivacea (Prasinophyceae) sp. nov. is described on the basis of light and electron microscopy.
from N. olivacea. Phycologia 20 (4) (): MOESTRUP, 0., and ETTL, H.: A light and electron microscopical study of Nephroselmis oliracea (Prasinophyceac). Opera. Bot. 49 (): and THOMSEN, H. A.: An ultrastructural study of the flagellate Pyramimonas orientalis with particular emphasis on golgi apparatus activity and the flagellar by: The flagellar beat and swimming patterns of flagellated cells of 22 green plants, including 17 green flagellates (volvocalean and prasinophyte algae), motile cells of three seaweeds, Bryopsis, Caulerpa, and Uha, sperms of a liverwort, Marchantia, and a fern, Athyrium, were examined using a high-speed video by: In Tables 1 and 2, the gene content of Nephroselmis mtDNA is compared with those of mtDNAs from land plants and other green algae.
It can be seen that the gene repertoire of Nephroselmis mtDNA closely matches that of Prototheca mtDNA. If tRNA genes, intron-encoded genes, and unique ORFs are not considered.
In traditional chlorophytan systems the organizational level was the primary character for the distinction of main groups (classes and orders). For instance, in Fott (), the flagellate level corresponds with the Volvocales, the coccoid level with the Chlorococcales, the filamentous level with the Ulotrichales, the siphonocladous level with the Siphonocladales, and Cited by: Nephroselmis is composed by unicellular nanoplanktonic organisms, occurring predominantly in marine environments.
Currently, 14 species are taxonomically accepted. Nephroselmis viridis was described in and strains were isolated from Indic and Pacific Oceans. Since then, it was not recorded in other places.
A strain was isolated from coastal Cited by: 1. Moestrup ø & Ettl H () A light and electron microscopical study of Nephroselmis olivaceae (Prasinophyceae).
Opera Botanica DOI: none Nowack ECM, Podola B & Melkonian M () The well twin-layer system: A novel approach in the cultivation of microalgae.
Protist DOI: / Nephroselmis is a genus of green algae. It has been placed in the family Nephroselmidaceae, although a study suggests that it should be separated into its own class, Nephroselmidophyceae.
One species can be an endosymbiont of Hatena : Nephrophyceae. other larger prasinophytes, including Nephroselmis olivacea (MATTOX and STEWARTMOESTRUP and ETTL ), P.
aff plurioculata (NORRIS and PIENAAR ) and P. orientalis (MoEslRUP and THOMSEN ), and we suggest that a unitary, branched mitochondrion may be a regular feature in these organisms.
The innermost and second innermost scales are small and cover the whole cell body tightly (Moestrup & Ettl ). During sexual reproduction, are the scales Key words: electron microscopy, endoplasmic reticulum, germination, Nephroselmis olivacea, Prasinophyceae, sexual reproduction, zygote formation, zygote wall.
We have determined the complete chloroplast DNA (cpDNA) sequence (, bp) of Nephroselmis olivacea, a member of the class (Prasinophyceae) thought to include descendants of the earliest-diverging green by: The organization and absolute configuration of the entire flagellar apparatus of theColeochaete pulvinata zoospore is compared to swarmers of other green algae belonging to theCharophyceae sensu Stewart and Mattox and to bryophyte by: Preisig H.R.
and Melkonian M. () A light and electron microscopical study of the green flagellate Spermatozopsis similis spec.
nova. Syst. Evol. Melkonian M. and Preisig H.R. () Ultrastructure of the flagellar apparatus. The observations of Melkonian et al.
on the biflagellate heterokont green alga Nephroselmis olivacea provided the first evidence that the heterogeneous flagellar apparatus is conserved in progeny through transformation of a flagellar type during cell division and that a newly formed flagellum requires more than one cell cycle to complete its Cited by: The only two complete chloroplast DNA (cpDNA) sequences currently available for prasinophytes, those of the scaly biflagellate Nephroselmis olivacea (clade III, Pseudocourfieldiales, Nephroselmidaceae) (Turmel et al.
b) and of the tiny coccoid O. tauri (clade II, Mamiellales) (Robbens et al. ), have revealed contrasting evolutionary Cited by: Moestrup, 0.
and H.A. Thomsen,An ultrastructural study of the flagellate Pyramimonas orientalis with particular emphasis on golgi apparatus activity and the flagellar apparatus.
Protopla Moestrup, 0. and H. Ettl, in press, A light and electron microscopical study of Nephroselmis olivacea Stein (Prasinophyceae).Cited by: Hatena arenicola (Katablepharidophycota) is a single-celled eukaryote that temporarily possesses a chlorophyte alga of the genus Nephroselmis as an intracellular symbiont.
In the present study, we investigated the molecular diversity of the endosymbiont Nephroselmis in a natural population of the host H. by: 5. Phylogeny of Diplonema ambulator (Larsen and Patterson) 1. Homologies of the Flagellar Apparatus Ann E. Montegut-Felkner and Richard E.
Triemer Department of Biological Sciences and Bureau of Biological Research, Rutgers University, Piscataway, NJ, USA SUMMARY The ultrastructure of the flagellar apparatus of Diplonema ambulator was determined to investigate Cited by: Source.
Olenina, I., Hajdu, S., Edler, L., Andersson, A., Wasmund, N., Busch, S., Göbel, J., Gromisz, S., Huseby, S., Huttunen, M., Jaanus, A., Kokkonen, P., Ledaine. Hemistasia phaeocysticola (Scherffel) comb. nov., Redescription of a Free-living, Marine, Phagotrophic Kinetoplastid Flagellate Author links open overlay panel Malte Elbrächter 1 1 2 Eberhard Schnepf 2 3 Ivonne Balzer 3 4Cited by: A light and electron microscopical study of Nephroselmis olivacea (Prasinophyceae 'Phytomonadina' Rhodophyta and Phaeophyceae: Schizomycetes: (Bakterien) Srovnávací morfologie buněčných organel rodu Chlamydomonas: Süßwasserflora von Mitteleuropa: Syllabus der Boden- Luft- und Flechtenalgen: Taxonomicko-ekologická studie řádu.
The photoreceptive apparatuses of flagellate algae exhibit an enormous structural variation and result from numerous parallel evolutionary processes. The phototactic systems of flagellate algae, including the sensory transduction chain, are optimized to detect a temporal pattern of light rather than the steady-state light by: This study focuses on a large group of flagellated protists that are characterized by particular ‘hair’-covered flagella, and are therefore named ‘stramenopiles’ (‘straw-haired’).
but an in-depth light and electron-microscopical characterization was only published 30 years laterthe green alga Nephroselmis olivacea and in Cited by: ABSTRACT Pterosperma cristatum Schiller, a member of the Pra‐sinophyceae, was examined with light and electron microscopy with special attention on the absolute configuration of flagellar apparatus components and associated structures.
This alga is characterized by asymmetrically arranged basal bodies, connecting fibers and microtubular roots. The microtubular root system. In this study, we used forward and reverse genetic approaches to discover that mutations in YCFlike genes affect thermal dissipation of excess absorbed light energy in Arabidopsis.
In a forward genetic screen, we isolated a new low NPQ mutant, npq6, and then identified the NPQ6 gene as a member of the YCF20 by: This golden freshwater alga was formally described inbut an in-depth light and electron-microscopical characterization was only published 30 years later.
Chrysodidymus synuroideus is a unicellular organism with cells 5–10 µm in length that congregates as two-cell ‘colonies’ resembling a stretched-out pair of sausages. ABSTRACT The ultrastructure of Pyramimonas pseudoparkeae sp. nov., a member of the class Prasinophyceae occurring in tidal pools along the east, south and west coast of South Africa, is described.
The cell surface is covered by three distinctive body scales whilst the flagellar surfaces possess four types of scales.
The structure of these scales is described. pseudoparkeae. The HUELLENLOS (HLL) gene participates in patterning and growth of the Arabidopsis ovule. We have isolated the HLL gene and shown that it encodes a protein homologous to the L14 proteins of eubacterial ribosomes.
The Arabidopsis genome also includes a highly similar gene, HUELLENLOS PARALOG (HLP), and genes for both cytosolic (L23) Cited by: Sexual reproduction has only been demonstrated in Nephroselmis olivacea (Suda et al., ). Scale morphology has been used to differentiate the major groups of prasinophytes (Norris, ; Melkonian, ; Moestrup, ).
In all but a few genera, organic scales are produced in the Golgi apparatus and coat the body and by: The mitochondrial genome of the stramenopile alga Chrysodidymus synuroideus.
Complete sequence, gene content and genome organization. Joby M but an in-depth light and electron-microscopical characterization was only published 30 yearsthe green alga Nephroselmis olivacea and in a primitive plant, the liverwort Marchantia Cited by: Michael Melkonian (born in Hamburg) is a German botanist and professor of botany at the University of Cologne.
Michael Melkonian studied Biology at the University of Hamburg –, receiving a Diploma degree in Botany in He remained in Hamburg to complete a doctorate in Botany (plant physiology) in Fields: Botany. You can write a book review and share your experiences.
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Learn vocabulary, terms, and more with flashcards, games, and other study tools.Summary 1. Plastid inheritance in most green algae and land plants is uniparental. In oogamous species, plastids are usually derived from the maternal parent; even when inheritance is biparental, maternal plastids usually predominate.
Only a few species of conifer are known to have essentially paternal plastid inheritance. In spite of the overall strong maternal bias, there.
The complete chloroplast DNA sequence of the green alga Nephroselmis olivacea: electron donor system for PSI supports light dependent nitrogen fixation J.P.A. designed the study. H.J.T.