(Fig. 9.1F). The phytoplasmas like pleomorphic bodies of 110–970nm were observed in the phloem tissues of infected plant under the transmission electron microscope (Samad et al., 2002). Based on 16S rDNA sequence identity and phylogenetic relationship, phytoplasma was identified to belong to ‘...
C. D. Janney and Mr. David Lee for technical advice and assistance with the electron microscope. -The colchicine (U.S. P. XIII alkaloid) used was obtained from the Mallinckrodt Chemi-cal Works. 107 展开 关键词: Onions Microscopy, Electron Cell Division ...
Light and scanning electron microscope studies of leaf blotch of onion caused by Cladosporium allii-cepae. Plant Pathology35: 1-4Hall, K. & Kavanagh, J.A. 1985. Light and scanning electron microscope studies of leaf blotch of onion caused by Cladosporium allii-cepae. Plant Pathology 34: 1-...
But because the top graphene grows so fast, it eventually halts the flow of carbon atoms to the new sheet underneath. The bottom stops growing, leaving a graphene ring. Then the process repeats. An electron microscope image of graphene "onion rings" shows the concentric, dark ribbons through ...
6b), further demonstrating the essential role of Schwann cell-derived NRG1-I for the generation of onion bulb structures. Fig. 6 Neuregulin-1 type 1 (NRG1-I) induced interaction between Schwann cells mediates onion bulb formation. a Representative electron micrographs of sciatic nerve cross-...
Theelectron microscopeanalysis was performed in electron microscope unit (EMU) of Assiut University. During the dual culture experiment, the contact area (10 mm in diameter) showing the interaction between mycelia ofT. pinophilusandB. cinereawas cut, fixed in 4% cold gautaraldehyde and washed ...
Observations with the transmission electron microscope show that a complex suberin lamella encases each hypodermal cell but is absent from the epidermis. However, the outer tangential wall and radial walls of the epidermal cells are complex in that layers of different densities are present. Some of...
NO is a potent pro-inflammatory mediator, a low level is known to play an important role in cellular signaling under normal physiological condition. On the other hand, excessive production in the cell can lead to generation of peroxynitrite which subsequently damage the tissue [33,74]. Thus, ...
2 Most ion channels are not permanently open; rather, they can be selectively opened and closed in response to extracellular signals, allowing the cell to control the movements of ions across the membrane, thus serving as ‘smart’ gates that regulate the internal environment. In recent years, ...
allowing the cell to control the movements of ions across the membrane, thus serving as ‘smart’ gates that regulate the internal environment. In recent years, researchers have made efforts to develop bioinspired smart nanochannels that mimic the function of gating property of biological ion channels...