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@article{1493036, author = {Zedek, František and Bureš, Petr}, article_number = {3}, doi = {http://dx.doi.org/10.1667/RR15208.1}, keywords = {Arthropoda; clastogens; chromosomal evolution; holocentric chromosomes; holokinetic chromosomes; ionizing radiation; pests; phytosanitation}, language = {eng}, issn = {0033-7587}, journal = {Radiation Research}, title = {Pest arthropods with holocentric chromosomes are more resistant to sterilizing ionizing radiation}, url = {https://bioone.org/journals/Radiation-Research/volume-191/issue-3/RR15208.1/Pest-Arthropods-with-Holocentric-Chromosomes-are-More-Resistant-to-Sterilizing/10.1667/RR15208.1.short}, volume = {191}, year = {2019} }
TY - JOUR ID - 1493036 AU - Zedek, František - Bureš, Petr PY - 2019 TI - Pest arthropods with holocentric chromosomes are more resistant to sterilizing ionizing radiation JF - Radiation Research VL - 191 IS - 3 SP - 255-261 EP - 255-261 PB - Radiation Research Society SN - 00337587 KW - Arthropoda KW - clastogens KW - chromosomal evolution KW - holocentric chromosomes KW - holokinetic chromosomes KW - ionizing radiation KW - pests KW - phytosanitation UR - https://bioone.org/journals/Radiation-Research/volume-191/issue-3/RR15208.1/Pest-Arthropods-with-Holocentric-Chromosomes-are-More-Resistant-to-Sterilizing/10.1667/RR15208.1.short L2 - https://bioone.org/journals/Radiation-Research/volume-191/issue-3/RR15208.1/Pest-Arthropods-with-Holocentric-Chromosomes-are-More-Resistant-to-Sterilizing/10.1667/RR15208.1.short N2 - It has been hypothesized that species with holocentric chromosomes have a selective evolutionary advantage for developmental and reproductive success because holocentric chromosomes are less susceptible to chromosome breakage than monocentric chromosomes. We analyzed data on sterilizing doses of ionizing radiation for more than 250 species of arthropods to test whether the minimal dose for reproductive sterilization is higher for species with holocentric chromosomes than for species with monocentric chromosomes. Using linear mixed models that account for phylogeny, we show that holocentric arthropods are more tolerant of sterilizing radiation than monocentrics. Moreover, higher dose rates correlate with lower sterilizing doses in monocentrics, but not in holocentrics, which is a novel finding that may be of importance for radiosanitation practice. Under the dose rate of 1 Gy/min, holocentric arthropods are sterilized on average with a 2.9 times higher minimal dose than monocentrics. Life stage and sex have significant but considerably weaker effects on sterilizing dose than chromosome type. Adults and males require 1.2 and 1.4 times higher sterilizing doses than juveniles and females, respectively. These results support the hypothesis that holocentric lineages may originate and thrive better in times of increased exposure to chromosome-breaking factors. ER -
ZEDEK, František and Petr BUREŠ. Pest arthropods with holocentric chromosomes are more resistant to sterilizing ionizing radiation. \textit{Radiation Research}. Radiation Research Society, 2019, vol.~191, No~3, p.~255-261. ISSN~0033-7587. Available from: https://dx.doi.org/10.1667/RR15208.1.
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