Wiley

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Immediate early gene (ZENK) responses to song in juvenile female and male zebra finches: Effects of rearing environment
Wiley - Tập 66 Số 11 - Trang 1175-1182 - 2006
Michelle L. Tomaszycki, Emily M. Sluzas, Kristy A. Sundberg, Sarah Winans Newman, Timothy J. DeVoogd
AbstractAccurate song perception is likely to be as important for female songbirds as it is for male songbirds. Male zebra finches (Taeniopygia guttata) show differential ZENK expression to conspecific and heterospecific songs by day 30 posthatch in auditory perceptual brain regions such as the caudomedial nidopallium (NCM) and the caudom...... hiện toàn bộ
Effects of early song experience on song preferences and song control and auditory brain regions in female house finches (Carpodacus mexicanus)
Wiley - Tập 59 Số 2 - Trang 247-258 - 2004
Alexandra M. Hernandez, Scott A. MacDougall‐Shackleton
AbstractWe examined the effects of song tutoring on adult song preferences, volume of song‐control brain regions, and activity of auditory brain regions in female house finches (Carpodacus mexicanus). Hand‐reared females were tutored with local songs, foreign songs, or no song. We then examined adult song preferences, determined the Nissl...... hiện toàn bộ
Multiple forms of acetylcholinesterase and their distribution in endplate and non‐endplate regions of rat diaphragm muscle
Wiley - Tập 4 Số 4 - Trang 343-361 - 1973
Zach W. Hall
AbstractThe properties of the cholinesterase activity in homogenates of whole rat diaphragm and of innervated (+EP) and non‐innervated (−EP) regions of the muscle have been investigated. Under standard assay conditions, over 90% of the cholinesterase activity of whole muscle homogenates was due to specific acetylcholinesterases. The specific activity of acetylcholi...... hiện toàn bộ
Neurotrophic control of 16S acetylcholinesterase from mammalian skeletal muscle in organ culture
Wiley - Tập 11 Số 6 - Trang 557-570 - 1980
Hugo L. Fernández, Michael R. Patterson, Myron J. Duell
AbstractThe effects of rat obturator nerve extracts on total and 16S acetylcholinesterase (AChE) activity were studied in endplate regions of denervated anterior gracilis muscles maintained in organ culture for 48 hr. The decrease of total AChE activity in cultured muscles was similar to that observed in denervated muscles in vivo. This d...... hiện toàn bộ
Neurotrophic control of 16S acetylcholinesterase at the vertebrate neuromuscular junction
Wiley - Tập 10 Số 5 - Trang 441-454 - 1979
Hugo L. Fernández, Myron J. Duell, Barry W. Festoff
AbstractEndplate 16S acetylcholinesterase (16S‐AChE) from rat anterior gracilis muscle was assessed, 6 hr to 10 days after denervation, by velocity sedimentation analysis on linear sucrose gradients. The innervating obturator nerve was transected either close (1‐2 mm, short stump) or far (35‐40 mm, long stump) from the muscle. In both instances, the activity of 16S...... hiện toàn bộ
Subcellular fractionation of cultured glial cells
Wiley - Tập 2 Số 2 - Trang 169-180 - 1971
Carl W. Cotman, Harvey R. Herschman, Dwan A. Taylor
AbstractWe have studied the subcellular fractionation of a clonal line of glial cells from rat brain. In comparison to rat brain, more of the total protein is collected in the crude nuclear fraction following differential centrifugation. When a crude mitochondrial fraction is prepared and resolved on a density gradient, we find that like brain the glial cell crude ...... hiện toàn bộ
Seasonal regulation of NMDA receptor NR2B mRNA in the adult canary song system
Wiley - Tập 54 Số 4 - Trang 593-603 - 2003
Tryambak Deo Singh, Julie E. Heinrich, Anne Marie Wissman, Eliot A. Brenowitz, Ernest J. Nordeen, Kathy W. Nordeen
AbstractDevelopmental changes in the composition and function of N‐methyl‐D‐aspartate receptors (NMDARs) are believed to regulate neural plasticity. For example, in songbirds, vocal learning entails NMDAR activation, and the sensitive period for such learning in zebra finches (ZFs) parallels developmental changes in NMD...... hiện toàn bộ
Seasonal changes in song nuclei and song behavior in Gambel's white‐crowned sparrows
Wiley - Tập 28 Số 1 - Trang 114-125 - 1995
G. Troy Smith, Eliot A. Brenowitz, J. C. Wingfield, Luís F. Baptista
AbstractIn males of several songbird species, the morphology of forebrain nuclei that control song changes seasonally. The only seasonally breeding songbird in which seasonal changes in the structure of song control nuclei have been reported not to occur is the nonmigratory Nuttall's subspecies of white‐crowned sparrow. In the present study, we manipulated photoper...... hiện toàn bộ
The canary androgen receptor mRNA is localized in the song control nuclei of the brain and is rapidly regulated by testosterone
Wiley - Tập 26 Số 2 - Trang 213-224 - 1995
Kent L. Nastiuk, David F. Clayton
AbstractSinging in canaries is an androgen‐inducible behavior, under the control of an identified motor pathway, which includes several discrete “song nuclei” in the telencephalon. To determine whether the mRNA for the canary androgen receptor (cAR) is expressed in these song control nuclei, we synthesized probes from the recently cloned cAR cDNA and used ... hiện toàn bộ
Brain aromatase, 5α‐reductase, and 5β‐reductase change seasonally in wild male song sparrows: Relationship to aggressive and sexual behavior
Wiley - Tập 56 Số 3 - Trang 209-221 - 2003
Kiran K. Soma, Barney A. Schlinger, John C. Wingfield, Colin J. Saldanha
AbstractIn many species, territoriality is expressed only during the breeding season, when plasma testosterone (T) is elevated. In contrast, in song sparrows (Melospiza melodia morphna), males are highly territorial during the breeding (spring) and nonbreeding (autumn) seasons, but not during molt (late summer). In autumn, plasma sex ster...... hiện toàn bộ
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