Zobrazeno 1 - 10
of 29
pro vyhledávání: '"S. S. Lamm"'
Autor:
Xiaodong Zhang, S. S. Lamm, Chris Jacobsen, J. Van't Hof, Janos Kirz, S. Lindaas, S. Williams
Publikováno v:
Journal of Microscopy. 170:155-165
Summary Radiation damage to Vicia faba chromosome structure, as measured by the mass loss, was determined in the scanning transmission X-ray microscope for unstained specimens in both the wet and dry states. Dried specimens remain undamaged after eit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6bb87562fa61f66e63f33af680e06ff7
https://doi.org/10.1111/j.1365-2818.1993.tb03335.x
https://doi.org/10.1111/j.1365-2818.1993.tb03335.x
Autor:
S. S. Lamm, J. Van 't Hof
Publikováno v:
Plant Molecular Biology. 20:377-382
The time course of replication of the 9 kb ribosomal DNA repeats of synchronized root cells of pea was followed by two-dimensional gel electrophoresis. The temporal order of appearance of single-stranded replication intermediates shows that replicati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5fd700778c01c37c238657ac3297597
https://doi.org/10.1007/bf00040597
https://doi.org/10.1007/bf00040597
Autor:
S. S. Lamm, J. Van`t Hof
The intent of this pamphlet is to share information with others who are interested in useful protocols for cotton cytogenetics and cytology. The protocols described are a beginning effort and they are expected to be improved. All methods, results and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7dee7fca11e480bd421f985e80e6ff65
https://doi.org/10.2172/10121336
https://doi.org/10.2172/10121336
Publikováno v:
SPIE Proceedings.
Imaging with soft x rays having energies between the carbon and oxygen K edge (284 - 531 eV) yields large absorption contrast for wet organic specimens, but these soft x rays are known to be very effective in damaging biological specimens. The common
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::12c677fa17ca6cd575d8c0dbbca2cc47
https://doi.org/10.1117/12.138747
https://doi.org/10.1117/12.138747
Publikováno v:
X-Ray Microscopy III ISBN: 9783662138946
Images of fully hydrated mitotic chromosomes from Vicia faba were recorded on the Scanning Transmission X-ray Microscope at 110, 85, 60, and 35 mM ionic strengths. The images revealed an increase in chromosome diameter and length as the salt concentr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::176d951567808a5a1d2f1f0ef1c5ddb3
https://doi.org/10.1007/978-3-540-46887-5_92
https://doi.org/10.1007/978-3-540-46887-5_92
Autor:
S. S. Lamm, J. Van't Hof
Replication of ribosomal DNA replicons in cells of Pisum sativum (cv. Alaska) occurs bidirectionally by displacement loops. Replication is initiated on opposite parental strands and nascent chains are elongated moving 5'----3' along each parental tem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54aa3f20b17514e56f7f45fbdfe984e4
https://europepmc.org/articles/PMC452870/
https://europepmc.org/articles/PMC452870/
Publikováno v:
Scopus-Elsevier
Previous measurements of the composition of metaphase chromosomes yield values for the DNA mass fraction ranging from 15 - 32% (eg. 1), with a factor of two variation seen for chromosomes of a single species. The factors responsible for this variatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::36149ef1e751af777267142c0e0470fb
https://doi.org/10.1017/s0424820100167962
https://doi.org/10.1017/s0424820100167962
Publikováno v:
Proceedings, annual meeting, Electron Microscopy Society of America. 50:1038-1039
The Scanning Transmission X-ray Microscope (STXM) is well suited for investigating metaphase chromosome structure. The absorption cross-section of soft x-rays having energies between the carbon and oxygen K edges (284 - 531 eV) is 6 - 9.5 times great
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80eb6fe61f9c3f8d1cc1ac8e4dcda070
https://doi.org/10.1017/s0424820100129826
https://doi.org/10.1017/s0424820100129826
Publikováno v:
Plant Molecular Biology. 5:353-361
Restriction endonuclease digestion and Southern blotting procedure were used to determine differences between extrachromosomal, nuclear, plastid, and mitochondrial DNAs from meristematic cells of cultured pea roots.Extrachromosomal and nuclear DNA ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::05e2eb9d575a005019c4943357a83b8c
https://doi.org/10.1007/bf00037556
https://doi.org/10.1007/bf00037556
Publikováno v:
American Journal of Botany. 73:87-95
A small population of cells representing 1% or less of those in the root-tip meristem was identified as the precursor of vascular parenchyma and certain root-cap cells in carbohydrate starved cultured pea roots. Autoradiography and cytophotometric me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f291162338216f1278416a01c185f340
https://doi.org/10.1002/j.1537-2197.1986.tb09684.x
https://doi.org/10.1002/j.1537-2197.1986.tb09684.x