Lineage Replacement Associated with Fitness Gain in Mammalian Cells and <i<Aedes aegypti</i<: A Catalyst for Dengue Virus Type 2 Transmission
Shifting of virus serotypes and clade replacement events are known to drive dengue epidemics. However, only a few studies have attempted to elucidate the virus attributes that contribute to such epidemics. In 2007, Singapore experienced a dengue outbreak affecting more than 8000 individuals. The outbreak ensued with the shuffling of dominant clades (from clade I to clade II) of Dengue virus 2 (DENV-2) cosmopolitan genotype, at a time when the <i<Aedes</i< premise index was significantly low. Therefore, we hypothesized that clade II had higher epidemic potential and fitness than clade I. To test this hypothesis, we tested the replication and apoptotic qualities of clade I and II isolates in mammalian cells and their ability to infect and disseminate in a field strain of <i<Ae. Aegypti.</i< Our findings indicated that clade II replicated more efficiently in mammalian cells than clade I and possessed higher transmission potential in local vectors. This could collectively improve the epidemic potential of clade II, which dominated during the outbreak in 2007. The findings exemplify complex interactions between the emergence, adaptation and transmission potential of DENV, and testify the epidemiological importance of a deeper understanding of virus and vector dynamics in endemic regions..
Medienart: |
E-Artikel |
---|
Erscheinungsjahr: |
2022 |
---|---|
Erschienen: |
2022 |
Enthalten in: |
Zur Gesamtaufnahme - volume:10 |
---|---|
Enthalten in: |
Microorganisms - 10(2022), 6, p 1100 |
Sprache: |
Englisch |
---|
Beteiligte Personen: |
Cheong Huat Tan [VerfasserIn] |
---|
Links: |
doi.org [kostenfrei] |
---|
Themen: |
|
---|
doi: |
10.3390/microorganisms10061100 |
---|
funding: |
|
---|---|
Förderinstitution / Projekttitel: |
|
PPN (Katalog-ID): |
DOAJ027467090 |
---|
LEADER | 01000caa a22002652 4500 | ||
---|---|---|---|
001 | DOAJ027467090 | ||
003 | DE-627 | ||
005 | 20240414193033.0 | ||
007 | cr uuu---uuuuu | ||
008 | 230226s2022 xx |||||o 00| ||eng c | ||
024 | 7 | |a 10.3390/microorganisms10061100 |2 doi | |
035 | |a (DE-627)DOAJ027467090 | ||
035 | |a (DE-599)DOAJe4ad47ceef6f466aa51cab75861fc3c9 | ||
040 | |a DE-627 |b ger |c DE-627 |e rakwb | ||
041 | |a eng | ||
050 | 0 | |a QH301-705.5 | |
100 | 0 | |a Cheong Huat Tan |e verfasserin |4 aut | |
245 | 1 | 0 | |a Lineage Replacement Associated with Fitness Gain in Mammalian Cells and <i<Aedes aegypti</i<: A Catalyst for Dengue Virus Type 2 Transmission |
264 | 1 | |c 2022 | |
336 | |a Text |b txt |2 rdacontent | ||
337 | |a Computermedien |b c |2 rdamedia | ||
338 | |a Online-Ressource |b cr |2 rdacarrier | ||
520 | |a Shifting of virus serotypes and clade replacement events are known to drive dengue epidemics. However, only a few studies have attempted to elucidate the virus attributes that contribute to such epidemics. In 2007, Singapore experienced a dengue outbreak affecting more than 8000 individuals. The outbreak ensued with the shuffling of dominant clades (from clade I to clade II) of Dengue virus 2 (DENV-2) cosmopolitan genotype, at a time when the <i<Aedes</i< premise index was significantly low. Therefore, we hypothesized that clade II had higher epidemic potential and fitness than clade I. To test this hypothesis, we tested the replication and apoptotic qualities of clade I and II isolates in mammalian cells and their ability to infect and disseminate in a field strain of <i<Ae. Aegypti.</i< Our findings indicated that clade II replicated more efficiently in mammalian cells than clade I and possessed higher transmission potential in local vectors. This could collectively improve the epidemic potential of clade II, which dominated during the outbreak in 2007. The findings exemplify complex interactions between the emergence, adaptation and transmission potential of DENV, and testify the epidemiological importance of a deeper understanding of virus and vector dynamics in endemic regions. | ||
650 | 4 | |a Dengue virus 2 | |
650 | 4 | |a <i<Aedes aegypti</i< | |
650 | 4 | |a clade replacement | |
650 | 4 | |a fitness | |
650 | 4 | |a transmission | |
650 | 4 | |a epidemic potential | |
653 | 0 | |a Biology (General) | |
700 | 0 | |a Hapuarachchige Chanditha Hapuarachchi |e verfasserin |4 aut | |
700 | 0 | |a Li Kiang Tan |e verfasserin |4 aut | |
700 | 0 | |a Pei Sze Jeslyn Wong |e verfasserin |4 aut | |
700 | 0 | |a Mei Zhi Irene Li |e verfasserin |4 aut | |
700 | 0 | |a Wing Yan Wong |e verfasserin |4 aut | |
700 | 0 | |a Lee Ching Ng |e verfasserin |4 aut | |
773 | 0 | 8 | |i In |t Microorganisms |d MDPI AG, 2013 |g 10(2022), 6, p 1100 |w (DE-627)DOAJ000123544 |x 20762607 |7 nnns |
773 | 1 | 8 | |g volume:10 |g year:2022 |g number:6, p 1100 |
856 | 4 | 0 | |u https://doi.org/10.3390/microorganisms10061100 |z kostenfrei |
856 | 4 | 0 | |u https://doaj.org/article/e4ad47ceef6f466aa51cab75861fc3c9 |z kostenfrei |
856 | 4 | 0 | |u https://www.mdpi.com/2076-2607/10/6/1100 |z kostenfrei |
856 | 4 | 2 | |u https://doaj.org/toc/2076-2607 |y Journal toc |z kostenfrei |
912 | |a GBV_USEFLAG_A | ||
912 | |a GBV_DOAJ | ||
951 | |a AR | ||
952 | |d 10 |j 2022 |e 6, p 1100 |