Abscission. Medical search. Frequent questions

Abscission (from Latin ab- 'away', and scindere 'to cut') is the shedding of various parts of an organism, such as a plant dropping a leaf, fruit, flower, or seed. (wikipedia.org)
Premature leaf abscission has been shown to occur in response to infestation by gall aphids. (wikipedia.org)
This causes the cells of the abscission zone to break apart and the leaf or other plant part to fall off. (wikipedia.org)
Transcriptome Analysis of Soybean Leaf Abscission Identifies Transcriptional Regulators of Organ Polarity and Cell Fate. (stembook.org)
Abscission is "the shedding of various parts of an organism, such as a plant dropping a leaf, fruit, flower, or seed. (bigcartel.com)
1) They produce numerous biological effects including promotion of leaf senescence and abscission , stomatal closure, inhibition of root growth, and germination of non-dormant seeds. (english-gujarati.com)
2) Ethylene is involved in many biological processes, like fruit ripening, flower and leaf abscission , senescence, many stress acclimations, and growth. (english-gujarati.com)
3) In the absence of water deficit, leaf water potential changes very little, or not at all, during senescence in species where the life span of leaves is terminated by abscission , as in soybeans and other dicots. (english-gujarati.com)
5) leaf abscission in trees (6) The presence and balance of plant hormones have been shown to affect abscission of leaves, flowers, and immature and mature fruit. (english-gujarati.com)
For instance, leaf abscission is the normal shedding of an old leaf at the base of the petiole such as that occurs during autumn. (biologyonline.com)
Apart from it, though, leaf abscission involving young leaves may also occur due to leaf diseases, infestation or damage. (biologyonline.com)
The phenology of leaf abscission in different woody species with deciduous, marce- scent and evergreen habits was studied over a complete annual cycle. (uva.es)
Statistical treat- ment of the data permit the characterization of each species as a function of abscis- sion time and of the length of the abscission period (estimation of the greater smaller degree of gradualness of leaf fall). (uva.es)
This subgenus (comprising plurifoliates and unifoliates) is unique in that, in winter, they can form abscission lines part way down the leaf (see photo gallery below). (wikipedia.org)
On average, 1.02 kg ash‐free dry mass ( AFDM ) per day of TOM was transported by small forested streams during fall leaf abscission to the rocky intertidal zone in small pocket bays. (osti.gov)
This study provides novel molecular insight into ethylene-promoted leaf abscission and identifies new putative target genes for characterization and manipulation of organ abscission in citrus. (ox.ac.uk)
This oak species varies substantially in leaf abscission phenology. (uky.edu)
In the fall of 1994 we examined leaf abscission patterns at three sites in central South Carolina and found that leaves containing active miners abscised earlier than leaves without active miners. (uky.edu)
To quantify the effect of leaf abscission phenology on the survivorship and body size of leaf miners within the abscised leaves, we marked naturally and manually abscised leaves, left leaves on the ground to over-winter, and then collected leaves before beetles emerged the following spring. (uky.edu)
body size of B. tessellatus is positively correlated with lifetime fecundity and daily oviposition rate indicating that effects of leaf-abscission phenology on beetle body size likely translate into effects on beetle fitness. (uky.edu)
We discuss how B. tessellatus has adapted to variation of leaf abscission phenology of oaks by evolving developmental plasticity that permits successful completion of larval development over a range of season lengths. (uky.edu)

The Fruitlet abscission in sweet cherry fact sheet provides a summary of how understanding carbohydrate and nutrient storage and remobilisation in fruitlet abscission for sweet cherry will be investigated. (horticulture.com.au)
Fruitlet abscission of mango ( Mangifera indica ) causes severe production problems worldwide. (ishs.org)
To understand the chain of physiological events that take place during mango fruitlet abscission, measurable fruit parameters were examined to characterise the onset and time-dependent course of this process. (ishs.org)
Moreover, the results further suggest that a carbohydrate supply limitation might induce natural fruitlet abscission in mango. (ishs.org)
Apple trees produce many more flower clusters than needed for a full crop, but natural early season flower and fruitlet abscission drastically reduce the final fruit number. (irta.cat)

In fact, auxin, a plant hormone, and ethylene have been implicated as prominent regulators of abscission signaling. (wikipedia.org)
Plant hormones such as abscisic acid , auxin , and ethylene have been implicated as the main regulators of abscission. (biologyonline.com)

CONCLUSION: The LCM-based data generated in this survey represent the most accurate description of the main biological processes and genes involved in organ abscission in citrus. (ox.ac.uk)

PI(3,4)P2-mediated cytokinetic abscission prevents early senescence and cataract formation. (nih.gov)

Most deciduous plants drop their leaves by abscission before winter, whereas evergreen plants continuously abscise their leaves. (wikipedia.org)
In deciduous trees, an abscission zone, also called a separation zone, is formed at the base of the petiole. (wikipedia.org)
And if your church property has any deciduous trees on the property, you know what abscission means. (ecww.org)

Comparative transcriptional survey between laser-microdissected cells from laminar abscission zone and petiolar cortical tissue during ethylene-promoted abscission in citrus leaves. (ox.ac.uk)

This remains true on Abscission , the third full album from Torpor , which is a fierce and imposing experience. (metalstorm.net)
There's a lot of well-known bands in the genre that I've seen used as comparators for Torpor , and most of them feel justified when listening to Abscission . (metalstorm.net)

The 2019 limited edition cassette Abscission has been remastered and expanded to 7 songs totaling 50 minutes of some of the best work of the project's 26-year existence. (bigcartel.com)

2. We suggest that this floral longevity does not exist to benefit the female function, because the time needed for corolla abscission reacting to ovule fertilization was not so long and the female function was completed within about 3 days. (elsevierpure.com)
Embryo fresh and dry weights increased rapidly during Cot and Mat stages, and ceased upon ovule abscission. (usda.gov)

The HAESA co-receptor SERK1, a positive regulator of the floral abscission pathway, allows for high-affinity sensing of the peptide hormone by binding to an Arg-His-Asn motif in IDA. (elifesciences.org)

While researchers originally believed abscisic acid to be the hormone that stimulates abscission (for which the hormone was named), it was later proven that it does not play a primary role. (wikipedia.org)

At the same time, the process itself also constitutes an excellent model to study cell separation processes, since it occurs in concrete areas known as abscission zones (AZs) which are composed of a specific cell type. (ox.ac.uk)

This step can occur in a variety of ways depending on the species but always occurs at the abscission zone. (wikipedia.org)
The latter finding means that a prolonged abscission period could indeed be an adaptive trait of the species better suited more infertile soils. (uva.es)
After fruit ripening, many fruit-tree species undergo massive natural fruit abscission. (pkc-inhibitor.com)

4) By contrast, drought hastens ripening and seed maturation for tomato and reduces fruit abscission for lychee trees. (english-gujarati.com)
K. Koch] embryos were studied for three years, and soluble and insoluble protein profiles characterized in trees grown in the southeastern United States (Watkinsville, GA). Embryo development was divided into histodifferentiation, cotyledon (Cot), maturation (Mat), and post-abscission (PA) phases. (usda.gov)

Real-time PCR was utilized to check the cells specificity and manifestation profiles from the five genes during fruits advancement and abscission in the ARB and PIC cultivars. (pkc-inhibitor.com)
The extensive repertoire of genes associated with cell wall biosynthesis and metabolism strongly suggests that LAZ layers activate both catabolic and anabolic wall modification pathways during the abscission program. (ox.ac.uk)

For 'Gala', carbon balance from bloom to shortly after petal fall and when fruits were about 18 mm were the two main periods, which were more sensible to carbohydrate deficiency triggering fruit abscission. (irta.cat)

Cells under the abscission zone divide and form a layer of cork cells. (wikipedia.org)
Situated on both sides of the abscission zone are layers of parenchyma cells, which produce and inject suberin and lignin under the abscission zone into the new layer of cork cells. (wikipedia.org)
Detachment can occur when layers of parenchyma cells secrete cell wall enzymes to self-digest the middle lamella, which holds the cell walls together at the abscission zone. (wikipedia.org)
The plant cells at the abscission zone will take in a large amount of water, swell, and eventually burst, making the organ fall off. (wikipedia.org)
The two compounds work in a synergistic fashion: As the auxin levels decrease, the flux of auxin to the abscission zone is reduced. (wikipedia.org)
This project will examine the shattering process, which is controlled by a specialized set of cells known as an abscission zone (AZ). (usda.gov)
This project addresses both the tempo and mode of change in the network controlling the abscission zone (AZ) in plants, a specialized cell layer that permits plants to drop seeds, fruits, petals or leaves. (usda.gov)
It is interesting to note that fruitlets with healthy and degenerated seeds detached to similar proportions either at the abscission zone (AZ) or somewhere along the pedicel, although under natural field conditions fruitlets never separate outside the AZ. (ishs.org)
It is unknown how expression of IDA in the abscission zone leads to HAESA activation. (elifesciences.org)
RESULTS: Efficient protocols for the isolation of specific citrus cell types, namely laminar abscission zone (LAZ) and petiolar cortical (Pet) cells based on laser capture microdissection (LCM) and for RNA microextraction and amplification have been developed. (ox.ac.uk)

citation needed] Abscission can also occur in premature leaves as a means of plant defense. (wikipedia.org)

In cell biology, abscission refers to the separation of two daughter cells at the completion of cytokinesis. (wikipedia.org)
In botany , abscission is the normal separation of a plant part or organ . (biologyonline.com)
BACKGROUND: Abscission is the cell separation process by which plants are able to shed organs. (ox.ac.uk)

Floral abscission is controlled by the leucine-rich repeat receptor kinase (LRR-RK) HAESA and the peptide hormone IDA. (elifesciences.org)
2014 ). The available genetic and biochemical evidence suggests that IDA and HAESA together control floral abscission, but it is poorly understood if IDA is directly sensed by the receptor kinase HAESA and how IDA binding at the cell surface would activate the receptor. (elifesciences.org)

Natural fruit abscission varies significantly year to year. (irta.cat)

Abscission occurs in a series of three events: 1) resorption, 2) protective layer formation, and 3) detachment. (wikipedia.org)

What abscission means in Gujarati, abscission meaning in Gujarati, abscission definition, examples and pronunciation of abscission in Gujarati language. (english-gujarati.com)

Another form of abscission is fruit drop, when a plant abscises fruit while still immature in order to conserve resources needed to bring the remaining fruit to maturity. (wikipedia.org)

I will be thinking about abscission and what needs to fall away. (blogspot.com)

To determine if the disparate early regulatory networks converge on a conserved late stage set of genetic interactions, transcriptomic, enzymatic, and cell wall changes will be evaluated right before and after abscission. (usda.gov)

Beginning in 2000 and for 18 years thereafter, we recorded the natural whole-season fruit abscission of untreated trees that received no chemical or hand thinning. (irta.cat)
These data were used to correlate tree carbon balance status and other environmental variables with natural fruit abscission responses. (irta.cat)
Branch shedding (called abscission) is a natural process in which trees shed twigs and branches whose leaves are continually shaded. (rvtravel.com)
The PIC olive cultivar displays massive natural fruits abscission at maturity (Gomez-Jimenez Gja7 = 80). (pkc-inhibitor.com)

Also, try our sister website's powerful search engine for poems or see our other Abscission Poems . (funnypoemsforlife.com)

The abscission is selective, and the chance of dropping leaves increases as the number of galls increases. (wikipedia.org)
The technical term for that annual loss of leaves is abscission. (ecww.org)

The loss of chlorophyll may also contribute to the abscission process. (wikipedia.org)
Agriculture depends on plants that hold on to their seeds until harvest, yet wild plants need to drop their seeds, in a process known as shattering or abscission. (usda.gov)

Abscission is a GREAT word! (blogspot.com)

Another instance of abscission is the fruit drop. (biologyonline.com)

The abscission layer is a greenish-greyish color. (wikipedia.org)

Two olive cultivars ARB and PIC had been chosen according with their mature fruits abscission potential, low and high, respectively. (pkc-inhibitor.com)

In modes of working through the mourning, the literature presented experiences of loss of parents, of children, abscission and identity deracination, as well as the discussion of mourning in groups. (bvsalud.org)

There is no current target release date, but Abscission is on pace to be released sometime before the end of the year for Windows PC on Steam . (adventuregamehotspot.com)

Furthermore, to NKP608 IC50 elucidate whether reducing degrees of NO and mature fruits abscission induction had been related occasions, NO was exactly situated in the fruits AZ and endogenous creation with regards to the timing of mature fruits abscission pursuing such remedies was examined. (pkc-inhibitor.com)

Ishii, HS & Sakai, S 2000, ' Optimal timing of corolla abscission: Experimental study on Erythronium japonicum (Liliaceae) ', Functional Ecology , vol. 14, no. 1, pp. 122-128. (elsevierpure.com)

Meaning and definitions of abscission, translation in Gujarati language for abscission with similar and opposite words. (english-gujarati.com)

Anatomy19

Organisms25

Chemicals and Drugs65

Analytical, Diagnostic and Therapeutic Techniques and Equipment15

Phenomena and Processes38

Technology, Industry, Agriculture7

Information Science4

Health Care2

Leaf21

Fruitlet abscission5

Regulators of abscission2

Organ abscission1

Senescence1

Deciduous3

Ethylene1

Torpor2

20191

Ovule2

Pathway1

Abscisic acid1

Processes1

Species3

Maturation2

Genes2

Carbohydrate1

Zone10

Citation1

Separation3

Kinase2

Varies1

Occurs1

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Plant1

Fall1

Early1

Natural4

Search1

Leaves2

Process2

Word1

Fruit drop1

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