scholarly journals Cross-Linking Patterns in Salt-Extractable Extensin from Carrot Cell Walls

1986 ◽  
Vol 81 (1) ◽  
pp. 234-241 ◽  
Author(s):  
Joel P. Stafstrom ◽  
L. Andrew Staehelin
Keyword(s):  
Cell Walls ◽  
Cross Linking ◽  
Carrot Cell

Die Aminosäuresequenz des Asparaginsäure enthaltenden Mureins von Lactobacillus coryniformis und Lactobacillus cellobiosus

1967 ◽  
Vol 22 (10) ◽  
pp. 1062-1067 ◽  
Author(s):  
Roland Plapp ◽  
Otto Kandler
Keyword(s):  
Amino Acid ◽  
Amino Acid Sequence ◽  
Aspartic Acid ◽  
Cell Walls ◽  
Peptide Bond ◽  
Partial Hydrolysis ◽  
Cross Linking ◽  
Peptide Moiety ◽  
Lactobacillus Coryniformis ◽  
Hydrolysis Of

The amino acid sequence of the peptide moiety of the mureins of Lactobacillus coryniformis and Lactobacillus cellobiosus cell walls was determined. This was accomplished by the identification of peptides obtained after partial hydrolysis of purified cell walls and by the identification of UDP-activated murein precursors accumulated by ᴅ-cycloserine inhibition. The amino acid sequence proved to be : ʟ-ala-ᴅ-glu-ʟ-lys-ᴅ-ala for L. coryniformis and L-ala-D-glu-L-orn-D-ala for L. cellobio-.D-asp D-aspsus. Aspartic acid is involved in the cross-linking of the mureins by forming a peptide bond with the C-terminal D-alanine of an adjacent muropeptide. Glutamic acid as well as aspartic acid are present as amides.

scholarly journals California Date Varieties Have More Total Dietary Fibers Both Soluble and Insoluble (P06-120-19)

2019 ◽  
Vol 3 (Supplement_1) ◽  
Author(s):  
Charlene Rainey ◽  
Emilia Alfaro-Viquez ◽  
Christian Krueger ◽  
Jess Reed
Keyword(s):  
Cell Walls ◽  
Intestinal Microflora ◽  
Elongation Factor ◽  
Cross Linking ◽  
Intestinal Epithelial ◽  
Equal Part ◽  
Dietary Fibers ◽  
Digestive Process ◽  
Funding Sources ◽  
Mass Spec

Abstract Objectives The objective of this study was to analyze the TDF, soluble and insoluble fibers, comparing the results with the new analytical method and for minerals associated with fiber. This is the first reporting of date fibers comparing the methods of analysis. Methods TDF methods AOAC 2011.25 methods were updated using Rapid Integrated (RI), a rapid digestion of 4 hours closely resembling human digestion. Testing was conducted at Medallion in Minneapolis, Minnesota. Equal part deglet noor and medjool varieties were analyzed by both methods. Minerals were tested by ICP Mass Spec Eurofin, Wisconsin. Results TDF for the new RI method yielded higher results than AOAC 2011.25 (8.7 mg vs 8.0 mg/100 g). Both soluble and insoluble are considered bioavailable, as they interact with the gut intestinal epithelial and intestinal microflora in the digestive process. Most of date TDF are insoluble 64% and 34% are soluble. The 0.7 mg increase in TDF comes mostly as Soluble. The new RI method and the AOAC 2011.25 Soluble were (3.1 vs 2.5 mg/100 g) respectively. The Insoluble Dietary Fibers showed a slight increase of (0.1 mg/100 g) with the new method at (5.6 vs 5.5 mg/100 g.) Calcium (62.5 mg/100 grams.) indicates cell wall pectin cross-linking. Selenium was (4.94 mg/100 g) and upregulates genes involved in building cell walls. Boron was (0.942 mg/100 g) which is involved with the elongation factor for cell walls. Conclusions The new increased values of date Dietary Fibers and minerals linked to fiber show dates as a positive inclusion in diets. Dates have been shown to have many health benefits including decrease the risk of colon cancer. Funding Sources California Date Commission, Indio, California, provided an unrestricted grant to fund this research.

scholarly journals Remodeling of Cross-bridges Controls Peptidoglycan Cross-linking Levels in Bacterial Cell Walls

2020 ◽  
Vol 15 (5) ◽  
pp. 1261-1267 ◽  
Author(s):  
Alexis J. Apostolos ◽  
Sean E. Pidgeon ◽  
Marcos M. Pires
Keyword(s):  
Bacterial Cell ◽  
Cell Walls ◽  
Cross Linking ◽  
Bacterial Cell Walls ◽  
Cross Bridges

Characterization and Distribution of Phenolics in Carrot Cell Walls

2008 ◽  
Vol 56 (18) ◽  
pp. 8558-8564 ◽  
Author(s):  
Yoon-Han Kang ◽  
Charlotte C. Parker ◽  
Andrew C. Smith ◽  
Keith W. Waldron
Keyword(s):  
Cell Walls ◽  
Carrot Cell

FUSION OF CARROT AND BARLEY PROTOPLASTS AND DIVISION OF HETEROKARYOCYTES

1976 ◽  
Vol 18 (2) ◽  
pp. 263-269 ◽  
Author(s):  
D. Dudits ◽  
K. N. Kao ◽  
F. Constabel ◽  
O. L. Gamborg
Keyword(s):  
Cell Walls ◽  
Culture Medium ◽  
Cultured Cells ◽  
Differential Staining ◽  
Hordeum Vulgare L ◽  
Daucus Carota L ◽  
Carrot Cell ◽  
Fusion Of Protoplasts ◽  
Fusion Products ◽  
Carrot Cell Cultures

Fusion of protoplasts from cultured cells of carrot (Daucus carota L.) and from leaves of barley (Hordeum vulgare L.) by means of polyethylene glycol resulted in the formation of 4-5 fusion products (heterokaryocytes) per 100 protoplasts. When incubated in culture medium, the heterokaryocytes regenerated cell walls and divided. The frequency of division depended on the viability of the protoplasts from carrot cell cultures, specifically, on the mitotic activity of the cells. Fusion of interphase carrot and barley nuclei was detected by differential staining. Synchronized mitosis was observed in heterokaryons containing barley and carrot nuclei.

scholarly journals Germanium Does Not Substitute for Boron in Cross-Linking of Rhamnogalacturonan II in Pumpkin Cell Walls

2002 ◽  
Vol 130 (4) ◽  
pp. 1967-1973 ◽  
Author(s):  
Tadashi Ishii ◽  
Toshiro Matsunaga ◽  
Hiroaki Iwai ◽  
Shinobu Satoh ◽  
Junji Taoshita
Keyword(s):  
Cell Walls ◽  
Cross Linking ◽  
Rhamnogalacturonan Ii

Serine-O-galactosyl linkages in glycopeptides from carrot cell walls

1976 ◽  
Vol 15 (1) ◽  
pp. 165-169 ◽  
Author(s):  
Cho Yong-Pill ◽  
Maarten J. Chrispeels
Keyword(s):  
Cell Walls ◽  
Carrot Cell
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