pectic polysaccharide/nicotiana

הקישור נשמר בלוח

מאמריםניסויים קלינייםפטנטים

בחר סוג מיון

12 תוצאות

Absence of arabinan in the side chains of the pectic polysaccharides strongly associated with cell walls of Nicotiana plumbaginifolia non-organogenic callus with loosely attached constituent cells.

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התחבר הרשם

When leaf disks from haploid plants of Nicotiana plumbaginifolia Viv. were transformed with T-DNA and cultured on shoot-inducing medium, nonorganogenic callus. designated nolac (for non-organogenic callus with loosely attached cells), appeared on approximately 7% of leaf disks. In contrast, normal

Botrytis cinerea mutants deficient in D-galacturonic acid catabolism have a perturbed virulence on Nicotiana benthamiana and Arabidopsis, but not on tomato.

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התחבר הרשם

D-Galacturonic acid is the most abundant monosaccharide component of pectic polysaccharides that comprise a significant part of most plant cell walls. Therefore, it is potentially an important nutritional factor for Botrytis cinerea when it grows in and through plant cell walls. The d-galacturonic

Subcellular localization and topology of homogalacturonan methyltransferase in suspension-cultured Nicotiana tabacum cells.

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התחבר הרשם

Pectin is a complex polysaccharide in the primary walls of all plant cells that is thought to be synthesized in the cellular endomembrane system and inserted into the wall via exocytosis. The most abundant pectic polysaccharide, homogalacturonan, is partially methylesterified within the cell by the

A putative Arabidopsis thaliana glycosyltransferase, At4g01220, which is closely related to three plant cell wall-specific xylosyltransferases, is differentially expressed spatially and temporally.

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התחבר הרשם

Plant cell wall polysaccharides are amongst the most complex, heterogeneous and abundant bio-molecules on earth. This makes the biosynthetic enzymes, namely the glycosyltransferases and polysaccharide synthases, important research targets in plant science and biotechnology. As an initial step to

Elicitor activity of a fungal endopolygalacturonase in tobacco requires a functional catalytic site and cell wall localization.

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התחבר הרשם

CLPG1, an endopolygalacturonase (endoPG) gene of Colletotrichum lindemuthianum, was transferred to tobacco (Nicotiana tabacum) leaves by using the Agrobacterium tumefaciens transient delivery system. The following four constructs were prepared: CLPG1, with or without its signal peptide (SP; PG1,

Solubilization and partial characterization of homogalacturonan-methyltransferase from microsomal membranes of suspension-cultured tobacco cells.

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התחבר הרשם

The transfer of a methyl group from S-adenosyl-L-methionine onto the carboxyl group of alpha-1,4-linked-galactosyluronic acid residues in the pectic polysaccharide homogalacturonan (HGA) is catalyzed by an enzyme commonly referred to as pectin methyltransferase. A pectin methyltransferase from

A Glycosyltransferase from Nicotiana alata Pollen Mediates Synthesis of a Linear (1,5)-α-L-Arabinan When Expressed in Arabidopsis.

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התחבר הרשם

The walls of Nicotiana alata pollen tubes contain a linear arabinan composed of (1,5)-α-linked arabinofuranose residues. Although generally found as a side chain on the backbone of the pectic polysaccharide rhamnogalacturonan I, the arabinan in N. alata pollen tubes is considered free, as there is

UDP-arabinopyranose mutase gene expressions are required for the biosynthesis of the arabinose side chain of both pectin and arabinoxyloglucan, and normal leaf expansion in Nicotiana tabacum.

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התחבר הרשם

Plant cell walls are composed of polysaccharides such as cellulose, hemicelluloses, and pectins, whose location and function differ depending on plant type. Arabinose is a constituent of many different cell wall components, including pectic rhamnogalacturonan I (RG-I) and II (RG-II),

A DUF-246 family glycosyltransferase-like gene affects male fertility and the biosynthesis of pectic arabinogalactans.

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התחבר הרשם

BACKGROUND Pectins are a group of structurally complex plant cell wall polysaccharides whose biosynthesis and function remain poorly understood. The pectic polysaccharide rhamnogalacturonan-I (RG-I) has two types of arabinogalactan side chains, type-I and type-II arabinogalactans. To date few

Pollen tubes of Nicotiana alata express two genes from different beta-glucan synthase families.

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התחבר הרשם

The walls deposited by growing pollen tubes contain two types of beta-glucan, the (1,3)-beta-glucan callose and the (1,4)-beta-glucan cellulose, as well as various alpha-linked pectic polysaccharides. Pollen tubes of Nicotiana alata Link et Otto, an ornamental tobacco, were therefore used to

KNS4/UPEX1: A Type II Arabinogalactan β-(1,3)-Galactosyltransferase Required for Pollen Exine Development.

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התחבר הרשם

Pollen exine is essential for protection from the environment of the male gametes of seed-producing plants, but its assembly and composition remain poorly understood. We previously characterized Arabidopsis (Arabidopsis thaliana) mutants with abnormal pollen exine structure and morphology that we

Identification of a xylogalacturonan xylosyltransferase involved in pectin biosynthesis in Arabidopsis.

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התחבר הרשם

Xylogalacturonan (XGA) is a class of pectic polysaccharide found in plant cell walls. The Arabidopsis thaliana locus At5g33290 encodes a predicted Type II membrane protein, and insertion mutants of the At5g33290 locus had decreased cell wall xylose. Immunological studies, enzymatic extraction of

הצטרפו לדף הפייסבוק שלנו

Herbal & Natural Medicine

המאגר השלם ביותר של צמחי מרפא המגובה על ידי המדע

עובד ב 55 שפות
מרפא צמחי מרפא מגובה על ידי מדע
זיהוי עשבי תיבול על ידי דימוי
מפת GPS אינטראקטיבית - תייגו עשבי תיבול במיקום (בקרוב)
קרא פרסומים מדעיים הקשורים לחיפוש שלך
חפש עשבי מרפא על פי השפעותיהם
ארגן את תחומי העניין שלך והתעדכן במחקר החדשות, הניסויים הקליניים והפטנטים

הקלד סימפטום או מחלה וקרא על צמחי מרפא שעשויים לעזור, הקלד עשב וראה מחלות ותסמינים שהוא משמש נגד.
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