Results 21 to 30 of about 3,647 (212)

Zamia inermis, the more threatened cycad of Mexico [PDF]

, 2017
Zamia inermis (Zamiaceae) es una cícada rara, endémica y actualmente listada en Peligro Crítico de Extinción. De la misma, sólo se conoce una población compuesta de tres subpoblaciones, que se encuentra distribuido en tan sólo 2,5 km2 de pastizales y ...
Iglesias Andreu, Lourdes Georgina, Octavio Aguilar, Pablo, Rivera-Fernández, Andrés, Vovides, Andrés P.   +3 more
core   +2 more sources

Impact of Late Pleistocene-Holocene climatic fluctuations on the phylogeographic structure and historical demographics of Zamia prasina (Cycadales: Zamiaceae)

Botan‪ical Sciences, 2019
Background: Glacial periods during the Pleistocene have been hypothesized to have greatly influenced geographical patterns of genetic structure and demography of many tropical species.
Grecia Montalvo-Fernández, Lorenzo Felipe Sánchez-Teyer, Germán Carnevali, Andrew P. Vovides, Ricardo Gaytán-Legaria, Matilde Margarita Ortíz -García, Jaime Alejandro Muñoz-López, Jaime Martínez Castillo   +7 more
doaj   +1 more source

The assessment of Food Handlers’ Hygiene and Environmental Sanitation in Tofu Home Industry Jombang 2018

Jurnal Kesehatan Lingkungan, 2019
Food security is an important aspect to produce quality food that is feasible and safe for consumption by general population. Good Manufacturing Product (CPPB) is a guideline in assuring food security adhered in food production process starting from raw ...
Zamia Floridiana
doaj   +1 more source

The crystal structure of the Escherichia coli autoinducer-2 processing protein LsrF. [PDF]

PLoS ONE, 2009
Many bacteria produce and respond to the quorum sensing signal autoinducer-2 (AI-2). Escherichia coli and Salmonella typhimurium are among the species with the lsr operon, an operon containing AI-2 transport and processing genes that are up regulated in ...
Zamia Diaz, Karina B Xavier, Stephen T Miller   +2 more
doaj   +1 more source

Phylogeny and evolutionary history of glycogen synthase kinase 3/SHAGGY-like kinase genes in land plants [PDF]

, 2013
Background: GSK3 (glycogen synthase kinase 3) genes encode signal transduction proteins with roles in a variety of biological processes in eukaryotes.
André S Chanderbali, Douglas E Soltis, Gane Ka-Shu Wong, Pamela S Soltis, Xinshuai Qi   +4 more
core   +2 more sources

Toponymic Data Helps to Reveal the Occurrence of Previously Unknown Populations of Wild Zamia pumila L. on Volcanic Substrates in South Central Puerto Rico

Ethnobiology Letters, 2013
This is the first report of the occurrence of wild Zamia pumila L. Zamiaceae populations on various volcanic substrates in the piedmont area of south central Puerto Rico.
Jaime R. Pagán-Jiménez, Julio C. Lazcano-Lara   +1 more
doaj   +1 more source

Stem Carbohydrate Richness in Two Cycad Species

HortScience, 2023
The pachycaulous stem of cycad plants enables the storage of abundant nonstructural carbohydrates. Cycas revoluta Thunb. and Zamia furfuracea L.f. stems were analyzed for starch and 15 sugars to determine carbohydrate richness.
Thomas E. Marler
doaj   +1 more source

Perspectivas sistemáticas de Zamia (Zamiaceae) en Megaméxico: de la taxonomía alfa a los códigos de barras genéticos

Revista Mexicana de Biodiversidad, 2011
El género Zamia en Megaméxico cuenta con 22 especies descritas y una entidad en el estatus de species dubium (Z. verschaffeltii). En las últimas décadas, el género Zamia ha recibido atención en tratamientos florísticos regionales, y de manera ...
Fernando Nicolalde-Morejón Nicolalde-Morejón, Jorge González-Astorga, Francisco Vergara-Silva, Andrew P. Vovides   +3 more
doaj   +1 more source

Fighting their last stand? A global analysis of the distribution and conservation status of gymnosperms [PDF]

, 2015
Aim: Gymnosperms are often described as a marginal and threatened group, members of which tend to be out-competed by angiosperms and which therefore preferentially persist at higher latitudes and elevations.
Bigras, Bond, Bowe, Brodribb, Carlquist, Cernusak, Chaw, Coiffard, Collen, Connor, Coomes, Coomes, Davies, Debreczy, Eckenwalder, eFloras, Enright, Ewers, Farjon, Farjon, Farjon, Feuerer, Fridley, Friedman, Gerstner, Gibson, Hastie, Henschel, Hill, Hillebrand, IUCN, Jablonski, Jenkins, Jones, Kozlowski, Kramer, Kreft, Leslie, Lomolino, Lusk, McCain, McCoy, Meyer, Mittelbach, Motomura, Mutke, Pimm, Purvis, Pärtel, R Core Team, Ran, Robinson, Rohde, Roskov, Rumeu, Rybicki, Safi, SAS Institute Inc, Sax, Soltis, Soltis, Sperry, Sperry, Stoffel, Takhtajan, Tang, Tredici, Visser, Wang, Willert, Willert, Williams, Wood, Wood, Wood, Wright, Zhao   +76 more
core   +2 more sources

Patterned sequence in the transcriptome of vascular plants [PDF]

, 2007
Background Microsatellites (repeated subsequences based on motifs of one to six nucleotides) are widely used as codominant genetic markers because of their frequent polymorphism and relative selective neutrality.
Crane Charles F
core   +1 more source