(n.) A variety of gelatin; the chief ingredient of raw silk, extracted as a white amorphous mass.
Example Sentences:
(1) The 6.2-kilobase (kb) DNA fragment used for the assay, from 5.7 kb upstream to 0.5 kb downstream from the cap site, was end-labeled at the Xho I site (position +514) within the intervening sequence of the fibroin gene.
(2) Their analysis shows that fibroin synthesis is important enough to orient the overall cellular activities.
(3) Transcription of the Bombyx mori fibroin gene in a posterior silk gland extract can be separated into three functional steps on the basis of sensitivity to Sarkosyl: 1) formation of an initiation complex, which is blocked by 0.025% Sarkosyl; 2) conversion of the initiation complex to an elongation complex, a step sensitive to 0.05% Sarkosyl; 3) the subsequent elongation of RNA chain which occurs in the presence of 0.05% Sarkosyl.
(4) The pauses observed during translation generate subsets of smaller discrete peptides, visualized in the gels as ladders of variable relative intensities, appearing exclusively and concomitantly with the fibroin.
(5) 3) In the posterior silk gland, which produces fibroin, the acceptor activities for glycine and alanine increased more than that for serine.
(6) The addition of exogenous histones has an inhibitory effect on fibroin gene transcription in posterior silk gland extracts.
(7) One of these tRNAs appears to be specific to the silk gland, where its accumulation is associated with the rapid production of fibroin.
(8) The increased polysome association of fibroin mRNA and the adequate supply of cognate tRNAs in the 5th instar, together contributes to the translational regulation of fibroin in a developmental stage-specific manner.
(9) The sequence that codes for the gly-ala repetitious peptide characteristic of fibroin begins somewhere between 1340 and 1600 bp from the 5' end.
(10) The alpha 1-tubulin promoter generates about four-fold lower levels, and the fibroin promoter shows no detectable activity in S2 cells.
(11) To clarify the cause of the low transcription efficiency, various chimeric genes were constructed from the actin and fibroin genes, and their transcription efficiencies were examined in vitro.
(12) The patterns of accumulation of fibroin RNA were similar in both the instars.
(13) The fibroin was composed of at least two protein groups of large molecular size and three or four components of small molecular size, and, in addition, a mixture of proteins ranging in size from about 25,000 to more than 100,000 daltons with almost the same amino acid compositions.
(14) In chimeric genes having the actin transcription initiation region and an upstream sequence of the fibroin gene, the transcription efficiency was as low as that of the natural actin gene.
(15) Fibroin mRNA stimulated [3-H]alanine incorporation about 3- to 4-fold in the presence of 80 mM K+ and 4 mM Mg-2+.
(16) About 60% of the fibroin mRNA has a complete cap (m7GpppAmUmCXG), and the remaining 40% has an unmethylated cap (GpppAPyXXG).
(17) The excised cylindrical glands remain metabolically active for several hours in a simple culture medium, where fibroin synthesis can be monitored through the incorporation of 14C alanine.
(18) When the posterior silk gland cell extract is first incubated with pBR322 DNA and then challenged for the fibroin gene transcription on ccc DNA, the pBR322 DNA of the ccc form, but not of the linear one, inhibits the reaction.
(19) In fibroin, only 13% because of its compact beta-pleated sheet structure and low susceptibility to swelling.
(20) This finding, along with saturation hybridization studies (Suzuki, Gage, and Brown, 1972), demonstrate that the fibroin gene is present in a single copy per haploid genome.
Silk
Definition:
(n.) The fine, soft thread produced by various species of caterpillars in forming the cocoons within which the worm is inclosed during the pupa state, especially that produced by the larvae of Bombyx mori.
(n.) Hence, thread spun, or cloth woven, from the above-named material.
(n.) That which resembles silk, as the filiform styles of the female flower of maize.
Example Sentences:
(1) To ascertain whether azo dyes are associated with risk of development of bladder tumors in workers who handpaint Yuzen-type silk kimonos in Kyoto, we investigated the disintegration of dyes to benzidine.
(2) Serial keratometry readings were obtained pre- and postoperative cataract extraction utilizing all silk closure.
(3) Here’s Marie-Josée Kravis, advisor to the New York Fed, accessorizing brilliantly with her snake-effect silk scarf off on a power walk with her billionaire financier husband Henry Kravis, head of predatory investment company KKR.
(4) The country’s other attractions include a burning pit at “the door to hell” in the Darvaza crater, and rarely seen stretches of the silk road, the region’s ancient trade route.
(5) The polylactic-polyglycolic acid suture is braided and dyed, and has handling characteristics similar to those of black silk.
(6) The radioallergosorbent inhibition test, however, suggested that there may be no cross-reactivity or, if any, only very low cross-reactivity between midge allergens and mite, house dust (HD), silk, shrimp, or mosquito allergens.
(7) But lest the duchess feel overlooked, the end section of the show featured long, pale-blue bias-cut crepe dresses with more of a charity gala feel; and knee-length silk crepe dresses with black grosgrain belts seemed princess friendly.
(8) A clinical survey in two silk filatures revealed that 36.2% of the persons engaged in the processing of natural silk were suffering from bronchial asthma, while 16.9% of the total subjects had asthma of occupational origin.
(9) It posted photos on its website of what it said was Thargyal's charred body covered in ceremonial yellow silk scarves and hundreds of people marching up a hill to a cremation site where his remains were burned.
(10) Silk Road is just one website; bitcoin is potentially the foundation for a whole new economic order.
(11) The presence of specific antibodies against extracts of silk has been shown by the direct RAST and confirmed by the indirect RAST.
(12) The skin stapler produced less inflammation and a better aesthetic result over time than the silk stitches.
(13) Transcription of the Bombyx mori fibroin gene in a posterior silk gland extract can be separated into three functional steps on the basis of sensitivity to Sarkosyl: 1) formation of an initiation complex, which is blocked by 0.025% Sarkosyl; 2) conversion of the initiation complex to an elongation complex, a step sensitive to 0.05% Sarkosyl; 3) the subsequent elongation of RNA chain which occurs in the presence of 0.05% Sarkosyl.
(14) High-waisted flared pleated silk trousers was the key shape, in colours Saint Laurent would have approved, such as like pumpkin orange, sea green and glowing fuchia.
(15) 37 Castle Street, Somerset, A5 1LN; 01278 732 266; janetphillips-weaving.co.uk East Assington Mill's rural skills courses range from cane-and-rush chair making to silk scarf dyeing– and some more unusual options, too.
(16) Thankfully, mazot guests can also use the lounge and dining room in the Chalet Les Mazots, a lovely wood-panelled home full of antique chairs, chests and cabinets, built by a family of silk manufacturers from Leon who chose the location for their farm for its south-facing views of Mont Blanc.
(17) The abdominal safety line, which is a size 1 silk passed through the eyes of the urethral splint (Foley catheter) and rolled up on gauze with some tension on the anterior abdominal wall has been used in three cases.
(18) Pretreatment which gave higher grafting onto silk did not always promote the bond strength to the dentin pretreated by the same pretreatments.
(19) Six monkeys had significant drops in alveolar bone mass 14 days after the the application of a silk ligature around the gingival margin of an adjacent tooth.
(20) Silk ligatures were tied around selected posterior teeth and replaced weekly for 4 weeks.