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In parthenogenetic Houttuynia cordata, the exine formation prior to the
degeneration of microspores is normal, although endexine and intine are not
formed. (Takahashi 1986). While the information for the deposition of basic exine
patterns ...
A. K. Shukla, M. R. Vijayaraghavan, B. Chaudhry, 1998
2
Molecular Embryology of Flowering Plants
The Intine. Developmentally, structurally, and physiologically, the intine is quite
different from the exine. This layer is hidden within the exine, although it begins to
develop only after the dissolution of the tetrad. Thus, in contrast to the exine, ...
Valayamghat Raghavan, 1997
Some Araceae have peculiar structures external to the exine and resembling
sculpturing; they are formed by a polysaccharidic sponge containing sporophytic
proteins (Pa- cini 1997). Intine The intine forms the internal part of the sporoderm.
Amots Dafni, Michael Hesse, Ettore Pacini, 2000
4
INTERNATIONAL REVIEW OF CYTOLOGY
Three functions are associated with the intine during pollen germination: (1)
control of the opening of germination apertures, (2) as the source of enzymes and
other proteins transferred to the stigma surface during germination, and (3) as the
...
Geoffrey H. Bourne, Kenneth L. Giles, Jatendra Prakash, 1987
5
The Embryology Of Angiosperms, 5E
Intine. It is the inner layer of the pollen wall laid down only after the release of
spores from the tetrad. In the polysaccharide matrix of the intine are embedded
proteinaceous lamellae which are generally concentrated around the germpore ...
S P Bhatnagar S S Bhojwani, 2009
The intine (labelled here as external intine-ein), at this stage, can be
distinguished into 3 layers. The outermost layer (ein3) is thin and dense with
vertical fibres. The middle layer (ein2) is thick and shows Fig. 13.46: lnniperus (ac
, antheridial ...
S. P. Bhatnagar, Alok Moitra, 1996
7
The Molecular Biology of Plant Development
11.3.3.3 Inline After the microspores are released from the tetrad, an additional
wall layer known as the intine forms between the plasmalemma and the
developing exine. The intine consists of pecto-cellulosic materials derived from
the ...
Harry Smith, Donald Grierson, 1982
The exine is shown in black, the intine is in white, and the pollen cytoplasm is
dotted. The exine pattern is quite different in the six examples. The intine is more
uniform. The poral intine of Parietaria pollen has a labyrinthine structure; the
pollen ...
9
Conifer Reproductive Biology
The two-layer pollen wall is composed of a rigid exine and a flexible intine. While
the sporophyte's diploid tapetal cells clearly deposit the exine during and after
the tetrad stage (Dickinson and Bell 1976), the origin of the intine could be either
...
perforation . tectum sexine columellae ektexine exine foot layer endexine nexine
. . ekt1nt1ne _ _ ' ' intine endintine FIGURE 12.8 Pollen wall structure. Example of
tectate-columellate wall structure. FIGURE 12.10 Fuchsia sp. (Onagraceae),.
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Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
intine w wiadomościach.
An Early-19th-Century Scientist's Close-Up Portraits of Pollen
Fritzsche coined the terms exine (the outer wall of pollen grains and spores) and intine (the inner wall). I first saw these plates on the Public ... «Slate Magazine, Maj 15»
Comparative transcriptome analysis reveals carbohydrate and lipid …
Pollen wall consisting of intine and exine needs sugars and lipids for its formation. Intine is secreted by the microspore when released from the ... «BMC Blogs Network, Mar 15»
Dean's List
BURLINGTON: Kala Frueh, Victoria Intine, Jonathan Kuta, Ryan Murphy, Paul Schmitt and Mackenzie Schneider. FRANKSVILLE: Casandra ... «Journal Times, Sty 15»
Institution: Google Indexer
Cover Illustration: Mature, aggregated tetrad pollen of early-divergent Annona senegalensis (Annonaceae) showing location of exine and intine. Anthers ... «Am J Botany, Wrz 14»
