于性于性Cells in the trunk of a tree are those on a leaf.于性于性 A. 队还较至队还较至as flexi
There was a direct relation between the reduction of the osmotic chloroplast or cell volumes and the inhibition of photosynthesis which was similar in the different plant species, irrespective of the highly different sensitivity of leaf tissue from various plants to hypertonic stress. 关键词: spinach...
Xanthi incorporation of uridine-H3 was greater in cells infected by alfalfa mosaic virus than healthy ones. In both treated and untreated infected cells incorporation into the nucleus and cytoplasm was much higher than into chloroplasts, indicating that the latter are not involved in virus-directed ...
4); thus, catalase might be non-functional also in atg7(p4) leaf cells. In the leaves of the atg7(p4) mutant, tubular structures from peroxisomes, namely peroxules, were formed, suggesting that leaves accumulated a high level of ROS25 (Supplementary Fig. 5a, b and Supplementary Movie 4)...
in leaf.Parallel arrangement of the lamellae in chloroplast was altered,but the chloroplast envelope was still intact.Furthermore,mitochondria cristae were both disrupted to some extent,and ribosomes of rough endoplasm reticulum dropped off,a lot of vesicles were formed in cytoplasm,but nuclei was ...
A technique has been developed for the enzymatic isolation of leaf cells from the Crassulacean acid-metabolism plant Sedum telephium. The cells exhibited high activity in both 14CO2 incorporation (30—70 μmol CO2 mg-1 chlorophyll h-1) and O2 evolution in the presence of bicarbonate (60—110...
Perkoz grown in pots containing garden soil in a growth chamber were submitted to 50 or 150 mM NaCl for 1 h, 2 and 5 days. Tomato leaf anatomy generally did not change after short time salinity, except 5-day-treatment with 150 mM NaCl, where changed cell shape (shrunk and deformed) ...
they have the potential to produce different types of differentiated cells (for example, the marked stem cells that produced the white sectors in Figure 3 gave rise to all the different cell types that make up a leaf). Do similar mechanisms operate in plant and animal stem cells to maintain...
HJ Monstein,AG Nylander,A Salehi,... - 《Scandinavian Journal of Gastroenterology》 被引量: 392发表: 1996年 Possible regeneration of the islets of Langerhans in streptozotocin-diabetic rats given Gymnema sylvestre leaf extracts Two water soluble extracts, GS 3 and GS 4, obtained from the leaves...
In callus cultures a higher proportion (17–19%) of linoleic acid (18:2) is found in both Alnus species than in the two callus strains of Betula (9–12%). All leaf and callus samples contained esterified steryl glycosides and two cerebrosidelike spots in thin-layer chromatography, but ...