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Peripheral nerve injuries that provoke neuropathic pain are associated with microglial activation in the spinal cord. We have investigated the characteristics of spinal microglial activation in three distinct models of peripheral neuropathic pain in the rat: spared nerve injury (SNI), chronic constriction injury, and spinal nerve ligation. In all models, dense clusters of cells immunoreactive for...
Previous investigations revealed that epiphytic orchids in a mountain rain forest in southern Ecuador formed mycorrhizae with diverse members of Tulasnellales. Using specific primers, we now show that the same orchids are also associated with Sebacinales. Ultrastructural observations confirmed the Sebacinales mycobionts in situ. Mycorrhizae of flowering individuals of Stelis hallii, S. superbiens, S. concinna...
The mycorrhizal state of epiphytic orchids has been controversially discussed, and the state and mycobionts of the pleurothallid orchids, occurring abundantly and with a high number of species on stems of trees in the Andean cloud forest, were unknown. Root samples of 77 adult individuals of the epiphytic orchids Stelis hallii, S. superbiens, S. concinna and Pleurothallis lilijae were collected in...
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