Results 81 to 90 of about 3,593 (196)

Specialized bacteriome uncovered in the coralloid roots of the epiphytic gymnosperm, Zamia pseudoparasitica

open access: yesEnvironmental DNA, 2020
Epiphytes face several constraints regarding nutrient acquisition: They are disconnected from soil minerals and they have to mainly rely on nutrients leached by precipitation and microbes.
Philip Bell‐Doyon   +3 more
doaj   +1 more source

This disastrous event staggered me : reconstructing the botany of Ludwig Leichhardt on the expedition from Moreton Bay to Port Essington, 1844-45 [PDF]

open access: yes, 2013
Ludwig Leichhardt had to abandon a large and important collection of botanical specimens during his Expedition from Moreton Bay to Port Essington. Here we attempt to assess the significance of the lost collection by identifying the botanical references ...
Bean, A.R.   +3 more
core  

Estudio morfogénico de Zamia skinneri Warszewicz, empleando megagametófitos y embriones zigóticos

open access: yesTecnología en Marcha, 2007
Se realizó un estudio de brotes y embriones adventicios a partir de secciones de megagametófito y embriones zigóticos de Zamia skinneri, que empleó como medio primario para la obtención del callo los macroelementos del medio B5 (Gamborg) y los ...
Tomás Palma Zúñiga
doaj   +2 more sources

Intra-specific variability and unusual organization of the repetitive units in a satellite DNA from Rana dalmatina: molecular evidence of a new mechanism of DNA repair acting on satellite DNA. [PDF]

open access: yes, 2006
We have characterized the S1 satellite from eight European populations of Rana dalmatina by Southern blot, cloning and a new method that determines the sequence variability of repetitive units in the genome.
CHINALI, GIANNI   +2 more
core   +1 more source

DNA fluorescent stain accumulates in the Golgi but not in the kinetosomes in amitochondriate protists [PDF]

open access: yes, 2010
Hindgut symbiotic trichomonads (uninucleate Caduceia versatilis, and multinucleate Stephanonympha sp. and Snyderella tabogae) from the dry-woodeating termite Cryptotermes cavifrons (Kalotermitidae) accumulate DAPI (4,6-diamidino-2-phenylindole) in the ...
Michael F. Dolan
core   +2 more sources

Les sciences occultent… [PDF]

open access: yes, 1985
Il nous faut sans cesse retrouver le centre de gravité des sciences de l'homme. Or, si l'on s'arrête un moment pour se souvenir des composantes essentielles du paradigme du monde, nous en constatons trois qui nous semblent irréductibles: l'individu, la ...
Bureau, Luc
core   +1 more source

A survey of selected coastal vegetation communities of Florida [PDF]

open access: yes, 1977
A survey of coastal vegetation around Florida was conducted during 1973 and 1974. Seventeen sites were selected and sampled using the transect method to determine species occurrence, relative densities, and habitat development and structure.
Carlton, Jedfrey M.
core  

Systematics and Chatacteristics [PDF]

open access: yes, 2016
The "Tracheophyte Phylogeny Poster – Vascular Plants - Systematics and Characteristics" is an educational tool presenting an overview of the evolutionary relationships among non-flowering vascular plants (lycophytes, monilophytes, and gymnosperms ...
Cole, Theodor C.H., Hilger, Hartmut H.
core   +1 more source

Full botanical inventory of the NPRA, 2019 [PDF]

open access: yes, 2019
Includes native, non-native, and invasive plant species identified in the NPRA in Spring ...
King, Emily Anne
core  

Phylogenie und Systematik der Gefäßpflanzen [PDF]

open access: yes, 2016
Das Lehr- und Lernposter „Stammbaum der Tracheophyten – Phylogenie und Systematik der Gefäßpflanzen“ gibt einen Überblick a) über die Phylogenie (Stammesgeschichte) der „Farnverwandten“ (Lycophyten und Monilophyten, die „Farne“) bis zu den Familien ...
Cole, Theodor C.H., Hilger, Hartmut H.
core   +1 more source

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