Theoretical models for tension-dependent DNA looping time
The influence of tension on DNA looping has been studied both experimentally and theoretically in the past. However, different theoretical models have yielded different predictions, leaving uncertainty about their validity. These currently available models rely on approximations, which we here show...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
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American Physical Society
2025-08-01
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| Series: | Physical Review Research |
| Online Access: | http://doi.org/10.1103/pq2d-t5lx |
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| _version_ | 1849228912350986240 |
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| author | Wout Laeremans Wouter G. Ellenbroek |
| author_facet | Wout Laeremans Wouter G. Ellenbroek |
| author_sort | Wout Laeremans |
| collection | DOAJ |
| description | The influence of tension on DNA looping has been studied both experimentally and theoretically in the past. However, different theoretical models have yielded different predictions, leaving uncertainty about their validity. These currently available models rely on approximations, which we here show to be valid only for short molecules. We briefly review the predictions of those models and propose a model that demonstrates exceptional agreement with simulations for long semiflexible chains. Additionally, we elucidate the relationship between our result and that of the previously proposed two-state model, highlighting the distinct interpretative approach that underpins our framework. Our findings offer predictive insights that pave the way for future experimental validation. |
| format | Article |
| id | doaj-art-fedf432e1d3f48e8b0d2d050d86b588d |
| institution | Kabale University |
| issn | 2643-1564 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | American Physical Society |
| record_format | Article |
| series | Physical Review Research |
| spelling | doaj-art-fedf432e1d3f48e8b0d2d050d86b588d2025-08-22T14:31:17ZengAmerican Physical SocietyPhysical Review Research2643-15642025-08-0173L03204110.1103/pq2d-t5lxTheoretical models for tension-dependent DNA looping timeWout LaeremansWouter G. EllenbroekThe influence of tension on DNA looping has been studied both experimentally and theoretically in the past. However, different theoretical models have yielded different predictions, leaving uncertainty about their validity. These currently available models rely on approximations, which we here show to be valid only for short molecules. We briefly review the predictions of those models and propose a model that demonstrates exceptional agreement with simulations for long semiflexible chains. Additionally, we elucidate the relationship between our result and that of the previously proposed two-state model, highlighting the distinct interpretative approach that underpins our framework. Our findings offer predictive insights that pave the way for future experimental validation.http://doi.org/10.1103/pq2d-t5lx |
| spellingShingle | Wout Laeremans Wouter G. Ellenbroek Theoretical models for tension-dependent DNA looping time Physical Review Research |
| title | Theoretical models for tension-dependent DNA looping time |
| title_full | Theoretical models for tension-dependent DNA looping time |
| title_fullStr | Theoretical models for tension-dependent DNA looping time |
| title_full_unstemmed | Theoretical models for tension-dependent DNA looping time |
| title_short | Theoretical models for tension-dependent DNA looping time |
| title_sort | theoretical models for tension dependent dna looping time |
| url | http://doi.org/10.1103/pq2d-t5lx |
| work_keys_str_mv | AT woutlaeremans theoreticalmodelsfortensiondependentdnaloopingtime AT woutergellenbroek theoreticalmodelsfortensiondependentdnaloopingtime |