Results 21 to 30 of about 73,919 (251)

Biochemical investigations on endosperm development in Iris pseudoacorus L.

open access: yesActa Societatis Botanicorum Poloniae, 2015
In the successive development phases the nitrogen and protein fractions were determined and ion exchanger chromatography of globulins was performed on DEAE cellulose in the endosperm of the chalasal and micropylar poles of Iris pseudoacorus seeds.
L. Konopska
doaj   +1 more source

Antimitotic action of cornin as a biologically active polypeptide. I. Biochemical properties of cornin [PDF]

open access: yes, 1965
We succeeded in the extraction of a substance from beef cornea and rabbit muscle, that markedly inhibits mitosis of sea urchin eggs. The substance extracted from beef cornea is non-dialysable and it can be separated into three fractions by DEAE-cellulose
Murakami, Tetuhide H., Nisida, Isamu
core   +1 more source

The influence of gibberellin on the level of soluble protein and activities of some hydrolases in corn seedlings

open access: yesActa Societatis Botanicorum Poloniae, 2015
The effect of gibberellin on the qualitative and quantitative composition of soluble proteins and the activity of Mg++ dependent and Na+-K+ -stimulated ATPase, RNase and peptidase in five days old maize seedlings were investigated.
P. Masłowski, H. Masłowska
doaj   +1 more source

The incorporation of dimethylaminoethanol and dimethylaminoisopropyl alcohol into Phormia regina phospholipids*

open access: yesJournal of Lipid Research, 1963
The effect of replacing dietary choline with dimethylaminoethanol and dimethylaminoisopropyl alcohol on the larval phospholipids of the blowfly Phormia regina was investigated. It was found that these compounds were incorporated into the phospholipids to
Loran L. Bieber, R.W. Newburgh
doaj   +1 more source

Isolation of pathogenesis-related proteins from TMV-infected tobacco and their influence on infectivity of TMV

open access: yesPlant Protection Science, 2005
The composition of pathogenesis-related proteins (PR-proteins) in the intercellular fluid (ICF) and leaf tissue of the hypersensitive tobacco cultivar Xanthi-nc inoculated with Tobacco mosaic virus (TMV), and their inhibitory influence on TMV ...
Milada Šindelářová   +1 more
doaj   +1 more source

OPTIMUM CONDITIONS FOR PHENYLALANINE AMMONIA LYASE EXTRACTION AND PURIFICATION FROM LOCALLY CULTIVATED GRAPE SEEDS

open access: yesThe Iraqi Journal of Agricultural science, 2023
In the present study, Phenylalanine ammonia lyase (PAL) activity was detected in different parts of grape plant (leaves, pulp, whole seeds and defatted seeds) extracts.
S. Y. Hadeel, S. A. Khalida
doaj   +1 more source

Arginase from kiwifruit: properties and seasonal variation [PDF]

open access: yes, 1988
The in vitro activity of arginase (EC 3.5.3.1) was investigated in youngest-mature leaves and roots (1-3 mm diameter) of kiwifruit vines (Actinidia deliciosa var. deliciosa) during an annual growth cycle, and enzyme from root material partially purified.
Dwek, RA   +9 more
core   +2 more sources

Identification of ferredoxin II as a major calcium binding protein in the nitrogen-fixing symbiotic bacterium Mesorhizobium loti [PDF]

open access: yes, 2015
BACKGROUND: Legumes establish with rhizobial bacteria a nitrogen-fixing symbiosis which is of the utmost importance for both plant nutrition and a sustainable agriculture.
Damiani, Ernesto   +6 more
core   +1 more source

Purification and Characterization of Streptomyces sp. IK Chitinase

open access: yesIndonesian Journal of Biotechnology, 2010
Streptomyces sp. IK isolated from compost inoculants, could produce extra cellular chitinase in a medium containing 0.2% (w/v) colloidal chitin, fermented for 96 hours at 30oC.
Sebastian Margino   +2 more
doaj   +1 more source

Characterization of hemodialysis membranes by inverse size exclusion chromatography [PDF]

open access: yes, 1995
Inverse size exclusion chromatography (i-SEC) was used to characterize three different cellulosic hollow fiber hemodialysis membranes, i.e. low-flux cuprophan and hemophan and high-flux RC-HP400A.
Bargeman, Derk   +5 more
core   +3 more sources

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