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The Arabidopsis Exocyst Complex Is Involved in Cytokinesis and Cell Plate Maturation
TLDR
It is concluded that the exocyst complex is involved in secretory processes during cytokinesis in Arabidopsis cells, notably in cell plate initiation, cell plate maturation, and formation of new primary cell wall. Expand
Giardia mitosomes and trichomonad hydrogenosomes share a common mode of protein targeting.
TLDR
It is reported that proteins targeted into mitosomes of Giardia intestinalis have targeting signals necessary and sufficient to be recognized by the mitosomal protein import machinery, and a shared mode of protein targeting supports the hypothesis that mitosome, hydrogenosomes, and mitochondria represent different forms of the same fundamental organelle having evolved under distinct selection pressures. Expand
Cyanobacterial Small Chlorophyll-binding Protein ScpD (HliB) Is Located on the Periphery of Photosystem II in the Vicinity of PsbH and CP47 Subunits*
TLDR
It is suggested that ScpD is involved in a process of PSII assembly/repair during the turnover of pigment-binding proteins, particularly CP47. Expand
Survey for stone fruit phytoplasmas in the Czech Republic
TLDR
Phytoplasmas were detected in apricots, peaches, plums, plum hybrid, sweet cherries, sour cherries and almond hybrid, which can provide the evidence of the presence of apple proliferation phytoplasma and pear decline phy toplasma in inspected orchards within the Czech Republic. Expand
Morphology and ultrastructure of Siberian sturgeon (Acipenser baerii) spermatozoa using scanning and transmission electron microscopy
TLDR
The spermatozoa of Siberian sturgeon, a chondrostean fish, was investigated and found to have a head with a distinct acrosome, whereas other structures, such as a midpiece and a single flagellum, are present in spermatoozoa of most species. Expand
Cytoskeleton-associated large RNP complexes in tobacco male gametophyte (EPPs) are associated with ribosomes and are involved in protein synthesis, processing, and localization.
TLDR
The first structural and proteomic data about large ribonucleoprotein particles (EPPs) in tobacco male gametophyte are reported, extending the view of EPP complexes from mere RNA storage and transport compartment in particular stages of pollen development to the complex and well-organized machinery devoted to mRNA storage, transport and subsequent controlled activation resulting in protein synthesis, processing and precise localization. Expand
Organisation of Photosystem I and Photosystem II in red alga Cyanidium caldarium: encounter of cyanobacterial and higher plant concepts.
TLDR
The structure and organisation of Photosystem I and Photosystem II isolated from red alga Cyanidium caldarium was determined by electron microscopy and single particle image analysis and the role of PsaH and PsaG proteins in trimerisation and antennae complexes binding is discussed. Expand
Morphology, chemical contents and physiology of chondrostean fish sperm: a comparative study between Siberian sturgeon (Acipenser baerii) and sterlet (Acipenser ruthenus)
TLDR
Results of this study reveal that morphological and ultrastructural parameters of spermatozoa together with some parameters of the seminal fluid and spermatozoon velocity can be used in comparative spermatology to better understand inter-species differences. Expand
Ultrastructure of the spermatozoon of the pseudophyllidean cestode Eubothrium crassum (Bloch, 1779)
TLDR
The results reveal several peculiarities, in which the spermatozoon of E. crassum differs from those of other pseudophyllidean cestodes. Expand
Symbiotic Tissue Degradation Pattern in the Ineffective Nodules of Three Nodulation Mutants of Pea (Pisum sativum L.)
TLDR
Three symbiotic mutants of pea forming ineffective nodules were investigated for aberrations in nodule structure using light and transmission electron microscopy, finding weakened control over symbiotic development in RisfixO may be responsible for the abundant spread of the infection threads and their enlargement. Expand
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