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Backtrace:
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File: /var/www/html/index.php
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Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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Backtrace:
File: /var/www/html/application/controllers/Detail.php
File: /var/www/html/index.php
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Severity: Warning
Message: Trying to access array offset on value of type null
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Backtrace:
File: /var/www/html/application/controllers/Detail.php
File: /var/www/html/index.php
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Severity: Warning
Message: Trying to access array offset on value of type null
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Backtrace:
File: /var/www/html/application/controllers/Detail.php
File: /var/www/html/index.php
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Severity: 8192
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Filename: models/Detail_model.php
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Backtrace:
File: /var/www/html/application/models/Detail_model.php
File: /var/www/html/application/controllers/Detail.php
File: /var/www/html/index.php
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Severity: 8192
Message: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated
Filename: helpers/my_audit_helper.php
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Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
File: /var/www/html/application/controllers/Detail.php
File: /var/www/html/index.php
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Filename: controllers/Detail.php
Line Number: 256
Backtrace:
File: /var/www/html/application/controllers/Detail.php
File: /var/www/html/index.php
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Severity: Warning
Message: Trying to access array offset on value of type null
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Backtrace:
File: /var/www/html/application/controllers/Detail.php
File: /var/www/html/index.php
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Severity: Warning
Message: Trying to access array offset on value of type null
Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
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Filename: controllers/Detail.php
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Severity: Warning
Message: Trying to access array offset on value of type null
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Filename: controllers/Detail.php
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Message: Trying to access array offset on value of type null
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Filename: controllers/Detail.php
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File: /var/www/html/index.php
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File: /var/www/html/application/helpers/my_audit_helper.php
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File: /var/www/html/application/controllers/Detail.php
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Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
File: /var/www/html/application/controllers/Detail.php
File: /var/www/html/application/controllers/Detail.php
File: /var/www/html/index.php
Replication fork collapse in vitro using Xenopus egg extracts. | LitMetric
When a replication fork encounters a nick in the parental DNA, the replisome dissociates and the replication fork structure is lost. This outcome is referred to as replication fork "collapse." Collapsed forks can be highly cytotoxic and mutagenic if not appropriately repaired by the cell. However, the events that occur during and after replication fork collapse are unclear. Here, we describe an in vitro system to induce site specific, strand specific replication fork collapse using Xenopus egg extracts, which contain the full set of DNA replication and repair enzymes. We also describe simple assays to monitor the stability of DNA nicks and the different structures formed during replication fork collapse. This methodology permits detailed mechanistic analysis of collapsed forks in vitro.
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