Characterization of the complete chloroplast genome of mangrove <i>Rhizophora apiculata</i> Blume (Rhizophoraceae)

Li, Yi-Chan; Li, Su-Yuan; Zhang, Tianhao; Qin, Lan-Li; An, Yi-Dong; Pang, Yu-Kun; Jiang, Guo‐Feng

doi:10.1080/23802359.2021.1923421

Cited by 3 publications

(3 citation statements)

References 25 publications

(49 reference statements)

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“…Ceriops and Avicennia have a convergent evolution and are the most dominant species in the middle and seaward zones of mangrove forests, respectively [1, 3,24]. The three Ceriops chloroplast genomes (164.4-166.7 kb) were slightly different, consistent with published chloroplast genomes of mangrove species (middle zone) in Rhizophoraceae such as C. tagal, Kandelia obovata, Rhizophora species, and Bruguiera species (160.3-164.6 kb) [40][41][42][65][66][67]. In contrast, the smaller chloroplast genome of A. lanata was 148.2 kb, which is similar to the previously reported chloroplast genome of Avicennia marina (147.9-152.3 kb) [39,68].…”

Section: Discussionsupporting

confidence: 69%

Comparative Analysis and Phylogenetic Relationships of Ceriops Species (Rhizophoraceae) and Avicennia lanata (Acanthaceae): Insight into the Chloroplast Genome Evolution between Middle and Seaward Zones of Mangrove Forests

Ruang-areerate

Yoocha

Kongkachana

et al. 2022

Biology

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Ceriops and Avicennia are true mangroves in the middle and seaward zones of mangrove forests, respectively. The chloroplast genomes of Ceriops decandra, Ceriops zippeliana, and Ceriops tagal were assembled into lengths of 166,650, 166,083 and 164,432 bp, respectively, whereas Avicennia lanata was 148,264 bp in length. The gene content and gene order are highly conserved among these species. The chloroplast genome contains 125 genes in A. lanata and 129 genes in Ceriops species. Three duplicate genes (rpl2, rpl23, and trnM-CAU) were found in the IR regions of the three Ceriops species, resulting in expansion of the IR regions. The rpl32 gene was lost in C. zippeliana, whereas the infA gene was present in A. lanata. Short repeats (<40 bp) and a lower number of SSRs were found in A. lanata but not in Ceriops species. The phylogenetic analysis supports that all Ceriops species are clustered in Rhizophoraceae and A. lanata is in Acanthaceae. In a search for genes under selective pressures of coastal environments, the rps7 gene was under positive selection compared with non-mangrove species. Finally, two specific primer sets were developed for species identification of the three Ceriops species. Thus, this finding provides insightful genetic information for evolutionary relationships and molecular markers in Ceriops and Avicennia species.

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Section: Discussionsupporting

confidence: 69%

Comparative Analysis and Phylogenetic Relationships of Ceriops Species (Rhizophoraceae) and Avicennia lanata (Acanthaceae): Insight into the Chloroplast Genome Evolution between Middle and Seaward Zones of Mangrove Forests

Ruang-areerate

Yoocha

Kongkachana

et al. 2022

Biology

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“…To account for the statistical non-independence of sampling related species, we incorporated phylogenetic covariance into our regression analyses. For mangroves, we used a recently published chloroplast phylogeny that included the species sampled here (Li et al 2021a;Li et al 2021b), and we used trait data for the southernmost population of each species (i.e. Sanya for all species except Kandelia obovata, for which the southernmost population was located at Shankou Natural Reserve).…”

Section: Discussionmentioning

confidence: 99%

“…For mangroves, we used a recently published chloroplast phylogeny that included the species sampled here (Li et al . 2021a; Li et al . 2021b), and we used trait data for the southernmost population of each species (i.e.…”

Section: Methodsmentioning

confidence: 99%

Mangroves deviate from other angiosperms in their genome size, leaf cell size, and cell packing density relationships

Jiang

Dinnage

et al. 2022

Preprint

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While genome size limits the minimum sizes and maximum numbers of cells that can be packed into a given leaf volume, mature cell sizes can be substantially larger than their meristematic precursors and vary in response to abiotic conditions. Mangroves are iconic examples of how abiotic conditions can influence the evolution of plant phenotypes. Here, we examined the coordination between genome size, leaf cell sizes, and cell packing densities, and leaf size in 13 mangrove species across four sites. Four of these species occurred at more than one site, allowing us to test the effect of climate on leaf anatomy. We found that genome sizes of mangroves were very small compared to other angiosperms, and, like other angiosperms, mangrove cells were always larger than the minimum size defined by genome size. Increasing mean annual temperature of a growth site led to higher packing densities of veins (Dv) and stomata (Ds) and smaller epidermal cells but had no effect on stomatal size. Contrary to other angiosperms, mangroves exhibited (1) a negative relationship between guard cell size and genome size; (2) epidermal cells that were smaller than stomata, and (3) coordination between Dv and Ds that was not mediated by epidermal cell size. Furthermore, mangrove epidermal cell sizes and packing densities covaried with leaf size. While mangroves exhibited coordination between veins and stomata and attained a maximum theoretical stomatal conductance similar to other angiosperms, the tissue-level tradeoffs underlying these similar relationships across species and environments was markedly different, perhaps indicative of the unique structural and physiological adaptations of mangroves to their stressful environments.

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Diverse mangroves deviate from other angiosperms in their genome size, leaf cell size and cell packing density relationships

Jiang

Dinnage

et al. 2022

Annals of Botany

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Background and Aims While genome size limits the minimum sizes and maximum numbers of cells that can be packed into a given leaf volume, mature cell sizes can be substantially larger than their meristematic precursors and vary in response to abiotic conditions. Mangroves are iconic examples of how abiotic conditions can influence the evolution of plant phenotypes. Methods Here, we examined the coordination between genome size, leaf cell sizes, and cell packing densities, and leaf size in 13 mangrove species across four sites in China. Four of these species occurred at more than one site, allowing us to test the effect of climate on leaf anatomy. Results We found that genome sizes of mangroves were very small compared to other angiosperms, and, like other angiosperms, mangrove cells were always larger than the minimum size defined by genome size. Increasing mean annual temperature of a growth site led to higher packing densities of veins (Dv) and stomata (Ds) and smaller epidermal cells but had no effect on stomatal size. Contrary to other angiosperms, mangroves exhibited (1) a negative relationship between guard cell size and genome size; (2) epidermal cells that were smaller than stomata, and (3) coordination between Dv and Ds that was not mediated by epidermal cell size. Furthermore, mangrove epidermal cell sizes and packing densities covaried with leaf size. Conclusions While mangroves exhibited coordination between veins and stomata and attained a maximum theoretical stomatal conductance similar to other angiosperms, the tissue-level tradeoffs underlying these similar relationships across species and environments was markedly different, perhaps indicative of the unique structural and physiological adaptations of mangroves to their stressful environments.

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Characterization of the complete chloroplast genome of mangrove Rhizophora apiculata Blume (Rhizophoraceae)

Cited by 3 publications

References 25 publications

Comparative Analysis and Phylogenetic Relationships of Ceriops Species (Rhizophoraceae) and Avicennia lanata (Acanthaceae): Insight into the Chloroplast Genome Evolution between Middle and Seaward Zones of Mangrove Forests

Comparative Analysis and Phylogenetic Relationships of Ceriops Species (Rhizophoraceae) and Avicennia lanata (Acanthaceae): Insight into the Chloroplast Genome Evolution between Middle and Seaward Zones of Mangrove Forests

Mangroves deviate from other angiosperms in their genome size, leaf cell size, and cell packing density relationships

Diverse mangroves deviate from other angiosperms in their genome size, leaf cell size and cell packing density relationships

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