KSIĄŻKI POWIĄZANE ZE SŁOWEM «SYNERGID»
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1
University Botany- Iii : (Plant Taxonomy, Plant Embryology, ...
The synergid has thick wall at the micropylar region and gradually thins towards
chalazal portion. Sometimes the chalazal portion lacks the wall, but instead has
two plasma membranes. Synergid has hooks at the micropylar region (fig-5.3 B).
2
Molecular Embryology of Flowering Plants
Based on examination of a limited number of species, indeed it appears that
synergid degeneration is a preprogrammed, nonrandom event. In Helianthus
annuus, the synergids are iso- morphic; however, one is found closer to the
placenta ...
Valayamghat Raghavan, 1997
3
INTERNATIONAL REVIEW OF CYTOLOGY
In Arabidopsis (Mansfield et al., 1991) plasmodesmata are not observed between
the synergid and central cells, although synergid-to-synergid plasmodesmata are
frequently observed in Arabidopsis, Gossypium (Jensen, 1965a), and in ...
Scott D. Russell, Christian Dumas, 1992
4
Biocommunication of Plants
The two female gametophytic synergid cells have been shown to play a central
role in attracting the pollen tube over the last distance to the micropyle in the
ovule and facilitating fertilization (Dresselhaus 2006; Marton and Dresselhaus
2010).
Günther Witzany, František Baluška, 2012
5
Advances in Intracellular Space Research and Application: ...
Brain. Sciences. Institute,. Saitama: Cytoplasmic. Ca2+. changes. dynamically.
during. the. interaction. of. the. pollen. tube. with. synergid. cells. By a News
Reporter-Staff News Editor at Life Science Weekly — Researchers detail new
data in ...
6
Plant Developmental Biology - Biotechnological Perspectives: ...
Laser ablation of the synergid cell, but not the egg and central cell, abolishes
micropylar pollen tube guidance in Torenia, which is characterized by the embryo
sac that protrudes from the ovule integuments and is accessible to experimental ...
Eng-Chong Pua, Michael Raymond Davey, 2010
7
Flowering Plant Embryology
B. Transsion electron micrograph showing pollen a (PT) between nucellar cells (
Nu) with its n a degenerated synergid (D Sy); adjacent sistent synergid (P Sy) has
conspicuous fili1 apparatus with nucleus above. From on and Cass (1981). of ...
8
morphology of angiosperms
Illustrations of ordinary apogamy are relatively numerous, apparently every cell
within the embryo-sac being able under certain conditions to produce an embryo.
In some cases a synergid is fertilized, and then the resulting embryo should ...
John Merle Coulter And Charle Joseph Chamberlain, 1987
9
Annual Plant Reviews, Fruit Development and Seed Dispersal
The filiform apparatus is an elaborated cell wall present at the synergid
micropylar pole that likely plays a role in pollen tube guidance and reception (
Kasahara et al., 2005). Punwani et al. (2007) demonstrated that MYB98 functions
as a ...
10
Text Book of Botany: Angiosperms
The nucleus of the egg cell is not markedly different from the synergid nucleus
except for a slightly larger size. The egg cytoplasm contains plastids and
ribosomes. Ultrastructural studies have revealed that mitochondria in the egg cell
have ...
Dr. Singh, Dr. Pande & Dr. Jain
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «SYNERGID»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
synergid w wiadomościach.
Cell Fusion Ensures Only One Sperm Gets Through
In most flowering plants, the mature ovule contains a seven-celled embryo sac consisting of two synergid cells, one egg cell, one central cell and three antipodal ... «Asian Scientist Magazine, Maj 15»
Cell fusion 'eats up' the 'attractive cell' in flowering plants
"Although the role of synergid cells has been identified, we did not exactly know how the persistent synergid cell is degenerated and induces the polytubey block ... «Phys.Org, Kwi 15»
Nearly a third of FWCS students won't get bus service next year
Approved accepting the low bid of $349,892 from Synergid Commercial of Fort Wayne for work at 19 buildings, including 62 new doors, accessibility ... «News Sentinel, Mar 15»
Moins de gaz et d'électricité consommés durant l'hiver 2013-2014 …
... et PME, ndlr)", note Synergid. La plus forte baisse en février 2014 a toutefois été notée "au niveau des centrales électriques: -50,6% par rapport à février 2013, ... «RTBF, Kwi 14»
La consommation d'électricité en Belgique a baissé en 2011
... isolation ou à l'installation d'équipements de chauffe plus performants comme une chaudière à condensation, relève Synergid. Ces baisses sont enregistrées ... «7sur7, Gru 11»
Nature：引导花粉管生长的化学引诱剂
花粉管引诱剂的概念是十九世纪末提出的，当时人们发现花粉管朝介质上被切除的雌蕊组织的方向生长。2001年，助细胞（英文名synergid cell，其位置在卵细胞旁）被 ... «生物谷, Mar 09»
Hydatellaceae are water lilies with gymnospermous tendencies
The mature female gametophyte of H. inconspicua contains four uninucleate cells: the egg cell, two synergids and a uninucleate central cell (Fig. 2). «Nature.com, Mar 08»
Evolution: Experiments in botany
Amborella dares to be different, and has one extra synergid. This may seem a trifling matter, but it is akin to finding a fossil amphibian with an extra leg: the ... «Nature.com, Maj 06»
