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Вопросы вирусологии. 2020; 65: 243-258

Формирование популяционного генофонда потенциально угрожающих биобезопасности зоонозных вирусов

Львов Д. К., Гулюкин М. И., Забережный А. Д., Гулюкин А. М.

https://doi.org/10.36233/0507-4088-2020-65-5-1

Аннотация

Проведён анализ возможного формирования популяционного генофонда вирусов с респираторной передачей, способных к развитию пандемий, на различных этапах эволюции биосферы. Наземное формирование генофондов поксвирусов (подсемейство Entomopoxvirinae) могло начаться с их перехода с голосеменных растений на членистоногих (карбон, 375 млн лет назад) с дальнейшей эволюцией, связанной с грызунами в палеоцене (75–70 млн лет назад) и разделением на роды (300–500 тыс. лет назад) и респираторной передачей (эпидемии) среди людей (10–2 тыс. лет до н.э.).  Возможен возврат натуральной оспы. Реликты ортомиксовирусов (род Isavirus), возможно, были связаны с рыбами (Ichthya) (силур, 500–400 млн лет назад), а затем их эволюция была тесно связана с птицами (меловой период, 135–110 млн лет назад) с  разделением на роды и респираторной передачей среди людей c эпидемическим распространением (10–2 тыс. лет до н.э.). Последующие пандемии гриппа А могут быть катастрофичными по числу жертв и экономическому ущербу.
Коронавирусы начали формировать генофонд, взаимодействуя с земноводными  (подсемейство
Letovirinae), но в основном с рукокрылыми (Chiroptera) в третичном  периоде (110–85 млн лет назад), образуя также переход на парнопалых (эоцен, 70–60 млн лет назад) и лишь 10–2 тыс. лет до н.э. приобретя способность к респираторной передаче (в первую очередь, вероятно, представителями рода Alphacoronavirus),  обособились в сезонную инфекцию людей. Подобная ситуация возможна в ближайшем  будущем с SARS-CoV-2. Эпидемические катаклизмы, более серьезные, чем COVID-19, связанные с зоонозными вирусами, вероятно, возникнут и в будущем. Необходим  постоянный мониторинг популяционных генофондов зоонозных вирусов.
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Problems of Virology. 2020; 65: 243-258

Formation of population gene pools of zoonotic viruses, potentially threatening biosafety

Lvov D. K., Gulyukin M. I., Zaberezhniy A. D., Gulyukin A. M.

https://doi.org/10.36233/0507-4088-2020-65-5-1

Abstract

The possible formation of population gene pools of zoonotic viruses with a respiratory route of transmission and a possibility of a pandemic at different stages of biosphere evolution is analyzed. Forming of Poxviruses  (Entomopoxvirinae) gene pool could be the beginning of transformation from Plants to Arthropoda (Carbon – 375 million years ago) with further evolution connected with Rodentia (Pliocene – 75–70 million years ago) and further separation of genera (500–300 thousand years ago), and respiratory transmission (epidemics) between humans (10–2 thousand years BC). Smallpox comeback would be possible. Orthomyxoviruses relicts (genus Isavirus) were possibly connected with Ichthya (Silurian – 500–410 million years ago), and then close interaction with Aves (the Cretaceous, 125–110 million years ago) with the division of genera and respiratory transmission (epidemics) between humans (10–2 thousand BC). Next pandemic of influenza A could be catastrophic in terms of the number of victims and economic damage.
Coronaviruses formed a gene pool by interaction with
Amphibia (subfamily Letovirinae) and then with Chiroptera in Tertiary (110–75 million years ago) with transformation to Artiodactyla (Eocene – 70–60 million years ago), and only 10–2 thousand years BC acquired the ability to a respiratory transmission and became Alphaviruses, a seasonal infection of humans. A similar situation is possible in the near future with SARS-CoV-2. Pandemics associated with zoonoses even more serious than COVID-19 are likely. Constant monitoring of  populational gene pools of zoonotic viruses is necessary.


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