Sentence examples for a segment of about from inspiring English sources

A segment of about 1.5 kb of lambda phage containing ORI (the origin of lambda DNA replication), the two structural genes CII and cro, and four transcriptional promoters, was inserted into the late region of SV40 by the poly dA dT) joining procedure.

For the ND4 and ND5 genes, a segment of about 4000 bp from the ND4L to ND6 genes that spans the ND4 and ND5 genes was amplified.

This effort generated over 12 megabases (Mb) of sequences from 12 model species, all derived from the genomic region orthologous to a segment of about 1.8 Mb on human chromosome 7 containing ten genes, including the gene for cystic fibrosis.

Although the great majority of these breakpoints are located within a segment of about 100 bp located around the MTC, there are still some cases with breakpoints out of the MTC [ 20].

Throughout the set of sequences, conserved regions were restricted to the entire helix II (pos. 86 125 of reference sequence H. viridis SAG 835 3, JX681147), which had a constant length of 40 nucleotides, and a segment of about 50 nucleotides (pos. 165 189 and 205 228 of the same reference sequence) located at or close to the distal end of helix III.

The cagPAI is a segment of DNA of about 40 kb that encodes a type IV secretion system (T4SS), which is necessary for CagA translocation into target epithelial cells.

The selected founder and its progeny were genotyped by PCR of genomic DNA using the primers amplifying a DNA segment of about 360 bp.

The above results indicated that the microsynteny between Citrus and Populus genomes was high enough to predict gene arrangement and to build a partial physical map of a Citrus genomic segment of about 700 kb, as inferred from the length of poplar homologous regions.

Woody Allen, in his first appearance at an Oscar show, came onstage to introduce a segment of clips about New York, assembled by Nora Ephron.

A commonly deleted segment of about 2.8 Mb including the genes INHBA, GLI3, PGAM2, and GCK apparently contributes to the GCPS-CGS phenotype in the majority of GCPS patients.

Firefighters from L.A. County Fire Station 82 closed off a segment of Knight Way at about 2 p.m. Tuesday after landscapers fractured an underground gas main in front of a home on the northwest corner of Knight and Paulette Place.