Andrena camellia, an effective pollinator of the economicallysignificant crop Camellia oleifera, can withstand the toxic pollen of C. oleifera, making A. camellia a crucial for resource conservation and cultivation of C. oleifera. In this study, the whole genome of A. camellia was sequenced on the Oxford Nanopore platform. The assembled genome size was 340.73 Mb including 50 scaffolds (N50=47.435 Mb) and 131 contigs (N50=17.2 Mb). A total of 11, 258 protein-coding genes were annotated, in addition, 1,104 non-coding RNAs were identified. Further analysis that some chromosomes of A. camellia have a high level of synteny with those of Apis mellifera, Osmia bicornis and Andrena minutula. Thus, our reported genome of A. camellia serves as a valuable resource for studying species evolution, behavioral biology, and adaption to toxic pollen of C. oleifera.
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http://dx.doi.org/10.1093/gbe/evad080 | DOI Listing |
iScience
June 2024
Honeybee Research Institute, Jiangxi Agricultural University, Nanchang 330045, China.
is an economically and medicinally valuable oilseed crop. Honeybee, the most abundant pollinator, rarely visits because of the toxic sugars in the nectar and pollen. These toxic sugars cannot be fully digested by honeybees and inhibit the process of synthesizing trehalose in honeybees.
View Article and Find Full Text PDFGenes (Basel)
May 2023
School of Life Sciences, Jinggangshan University, Ji'an 343009, China.
Oil-tea () is a woody oil crop whose nectar includes galactose derivatives that are toxic to honey bees. Interestingly, some mining bees of the genus can entirely live on the nectar (and pollen) of oil-tea and are able to metabolize these galactose derivatives. We present the first next-generation genomes for five and one species that are, respectively, specialized and non-specialized oil-tea pollinators and, combining these with the published genomes of six other species which did not visit oil-tea, we performed molecular evolution analyses on the genes involved in the metabolizing of galactose derivatives.
View Article and Find Full Text PDFGenome Biol Evol
May 2023
Key Laboratory of Conservation and Utilization of Pollination Insects of the Upper Reaches of the Yangtze River(Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, P. R. China, Chongqing, China.
Andrena camellia, an effective pollinator of the economicallysignificant crop Camellia oleifera, can withstand the toxic pollen of C. oleifera, making A. camellia a crucial for resource conservation and cultivation of C.
View Article and Find Full Text PDFBull Entomol Res
June 2021
Key Laboratory of Zoological Systematics and Evolution, Chinese Academy of Sciences, Beijing100101, China.
Andrena camellia Wu is one of the primary pollinators of Camellia oleifera A. in China. In this paper, the essential number of individuals for efficient pollination by this species was calculated via two criteria, based on various indicators including counts of pollen grains in provisions, from single visits, and from single foraging trips overall; single flower visit duration; single flight period duration; number of eggs laid by a single female over their lifetime; and the average number of flowers per plant.
View Article and Find Full Text PDFInt J Biol Macromol
April 2019
Chongqing Key Laboratory of Vector Insects, Chongqing Key Laboratory of Animal Biology, Chongqing Normal University, Chongqing 401331, China. Electronic address:
Andrena is a large bee genus of >1500 species, which includes many important pollinators of agricultural systems. In this study, we present three mitochondrial genomes (mitogenomes) of Andrena species, which are the pollinators of Camellia oleifera. Compared with putative ancestral gene arrangement of insects, the three mitogenomes present identical gene rearrangement events, including local inversion (trnR) and gene shuffling (trnQ/trnM, trnK/trnD, and trnW/trnC-trnY).
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