Severity: Warning
Message: file_get_contents(https://...@pubfacts.com&api_key=b8daa3ad693db53b1410957c26c9a51b4908&a=1): Failed to open stream: HTTP request failed! HTTP/1.1 429 Too Many Requests
Filename: helpers/my_audit_helper.php
Line Number: 176
Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 176
Function: file_get_contents
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 250
Function: simplexml_load_file_from_url
File: /var/www/html/application/helpers/my_audit_helper.php
Line: 3122
Function: getPubMedXML
File: /var/www/html/application/controllers/Detail.php
Line: 575
Function: pubMedSearch_Global
File: /var/www/html/application/controllers/Detail.php
Line: 489
Function: pubMedGetRelatedKeyword
File: /var/www/html/index.php
Line: 316
Function: require_once
Pulsed-field agarose gel electrophoresis of SmaI digests of genomic DNA was used to examine lactose plasmid copy number and stability in Lactococcus lactis. In L. lactis strain DRC1, the plasmid was found to exist as a single-copy plasmid. Transconjugants of strain HID113 carrying this plasmid were unstable. Variants were isolated with improved phenotypic stability resulting from improved maintenance of the lactose plasmid or from integration of part of the plasmid into the lactococcal chromosome.
Download full-text PDF |
Source |
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http://dx.doi.org/10.1006/plas.1993.1009 | DOI Listing |
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