City of West Branch Iowa, June 30, 2002

City Audit Report

Report of Recommendations to the Iowa Judicial Branch, June 30, 2002

State Agency Audit Report

Report of Recommendations to the Iowa Judicial Branch - County Clerks of District Courts, June 30, 2002

State Agency Audit Report

City of West Branch, June 30, 2003

City Audit Report

Helicase-defective RuvB(D113E) promotes RuvAB-mediated branch migration in vitro.

In Escherichia coli, the RuvA and RuvB proteins interact at Holliday junctions to promote branch migration leading to the formation of heteroduplex DNA. RuvA provides junction-binding specificity and RuvB drives ATP-dependent branch migration. Since RuvB contains sequence motifs characteristic of a DNA helicase and RuvAB exhibit helicase activity in vitro, we have analysed the role of DNA unwinding in relation to branch migration. A mutant RuvB protein, RuvB(D113E), mutated in helicase motif II (the DExx box), has been purified to homogeneity. The mutant protein forms hexameric rings on DNA similar to those formed by wild-type protein and promotes branch migration in the presence of RuvA. However, RuvB(D113E) exhibits reduced ATPase activity and is severely compromised in its DNA helicase activity. Models for RuvAB-mediated branch migration that invoke only limited DNA unwinding activity are proposed.

The Fanconi anemia protein FANCM can promote branch migration of Holliday junctions and replication forks.

Fanconi anemia (FA) is a genetically heterogeneous cancer-prone disorder associated with chromosomal instability and cellular hypersensitivity to DNA crosslinking agents. The FA pathway is suspected to play a crucial role in the cellular response to DNA replication stress. At a molecular level, however, the function of most of the FA proteins is unknown. FANCM displays DNA-dependent ATPase activity and promotes the dissociation of DNA triplexes, but the physiological significance of this activity remains elusive. Here we show that purified FANCM binds to Holliday junctions and replication forks with high specificity and promotes migration of their junction point in an ATPase-dependent manner. Furthermore, we provide evidence that FANCM can dissociate large recombination intermediates, via branch migration of Holliday junctions through 2.6 kb of DNA. Our data suggest a direct role for FANCM in DNA processing, consistent with the current view that FA proteins coordinate DNA repair at stalled replication forks.

Report of Recommendations to the Iowa Judicial Branch - County Clerks of District Courts, June 30, 2003

Audit Reports - Other Audit Reports

Report of Recommendations to the Iowa Judicial Branch, June 30, 2003

State Agency Audit Report

City of West Branch, Independent Auditor's Reports Basic Financial Statements and Supplementary Information Schedule of Findings, June 30, 2004

City Audit Report

Report of Recommendations to the Iowa Judicial Branch, June 30, 2004

State Agency Audit Report

SlimCodeML: An Optimized Version of CodeML for the Branch-Site Model

CodeML (part of the PAML package) im- plements a maximum likelihood-based approach to de- tect positive selection on a specific branch of a given phylogenetic tree. While CodeML is widely used, it is very compute-intensive. We present SlimCodeML, an optimized version of CodeML for the branch-site model. Our performance analysis shows that SlimCodeML substantially outperforms CodeML (up to 9.38 times faster), especially for large-scale genomic analyses.

Report of Recommendations to the Iowa Judicial Branch, June 30, 2005

State Audit Reports

Report of Recommendations to the Iowa Judicial Branch - County Clerks of District Courts, June 30, 2004

Other Audit Reports - Iowa Judicial Branch

City of West Branch, Independent Auditor's Reports, Basic Financial Statements and Supplementary Information, Schedule of Findings, June 30, 2005

City Audit Report

Productivity development at construction branch after the last recession

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