The Frankincense Tree (Boswellia sacra Flueck., Burseraceae) in Dhofar, southern Oman: field-investigations on the natural populations

Raffaelli, Mauro; Mosti, Stefano; Tardelli, Marcello

doi:10.1080/00837792.2003.10670749

Cited by 26 publications

(13 citation statements)

References 1 publication

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“…Either incensole or serratol is indeed a marker for the distinction between B. sacra and B. carteri , as proposed by Woolley et al ., or a subpopulation of B. sacra exists in Oman which lacks the specific enzymes for the biosynthesis of these diterpene alcohols. B. sacra trees stand in relatively isolated locations along the coast and in the mountainous inland areas , and genetic exchange between the locations is highly limited. In a large study investigating genetic variance of B. sacra in Oman, the individual trees were shown to be genetically grouped according to their location and exhibited high interpopulation differentiation .…”

Section: Resultsmentioning

confidence: 99%

Frankincense Revisited, Part I: Comparative Analysis of Volatiles in Commercially Relevant Boswellia Species

Niebler¹,

Buettner²

2016

Chemistry & Biodiversity

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The genus Boswellia comprises many species which are famous for their production of frankincense, a fragrant gum resin. In the published literature, manifold studies on the volatiles and semivolatiles in individual samples of these gum resins exist, yet very few studies have investigated multiple samples. Contradictory results with regard to the volatile composition exist in literature. In this first part of the study, a large sample set (n = 46) of mostly commercially obtained gum resins and essential oils was investigated by solid-phase microextraction gas chromatography/mass spectrometry. A total of 216 compounds were identified or tentatively identified from the four commercially relevant species, namely B. sacra, B. serrata, B. papyrifera, and B. frereana, and the statistical evaluation of the resulting chemical profiles allowed a clear distinction between the species by their volatile profile. With only few exceptions, the designated species was found to be in accordance with the composition reported in reliable literature sources and detected in botanically identified samples. Chemotaxonomic marker substances were suggested to facilitate the differentiation of commercial gum resins or essential oils based on their volatile profile.

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Section: Resultsmentioning

confidence: 99%

Frankincense Revisited, Part I: Comparative Analysis of Volatiles in Commercially Relevant Boswellia Species

Niebler¹,

Buettner²

2016

Chemistry & Biodiversity

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“…To understand the genome structure of chloroplasts, we have investigated the economically and culturally important frankincense-producing tree ( Boswellia sacra ; Burseraceae) [25]. There are approximately twenty Boswellia species, and B .…”

Section: Introductionmentioning

confidence: 99%

“…There are approximately twenty Boswellia species, and B . sacra is an endemic species growing only in Dhofar region of Oman [25–26]. The trees grow in desert-woodlands (Fig 1) with meager amounts of water and nutrient availability [27], whereas the domesticated trees are supplied with water [28].…”

Section: Introductionmentioning

confidence: 99%

The First Chloroplast Genome Sequence of Boswellia sacra, a Resin-Producing Plant in Oman

et al. 2017

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Boswellia sacra (Burseraceae), a keystone endemic species, is famous for the production of fragrant oleo-gum resin. However, the genetic make-up especially the genomic information about chloroplast is still unknown. Here, we described for the first time the chloroplast (cp) genome of B. sacra. The complete cp sequence revealed a circular genome of 160,543 bp size with 37.61% GC content. The cp genome is a typical quadripartite chloroplast structure with inverted repeats (IRs 26,763 bp) separated by small single copy (SSC; 18,962 bp) and large single copy (LSC; 88,055 bp) regions. De novo assembly and annotation showed the presence of 114 unique genes with 83 protein-coding regions. The phylogenetic analysis revealed that the B. sacra cp genome is closely related to the cp genome of Azadirachta indica and Citrus sinensis, while most of the syntenic differences were found in the non-coding regions. The pairwise distance among 76 shared genes of B. sacra and A. indica was highest for atpA, rpl2, rps12 and ycf1. The cp genome of B. sacra reveals a novel genome, which could be used for further studied to understand its diversity, taxonomy and phylogeny.

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“…Over the centuries, humanity has known and utilized frankincense since ancient times for religious, social and therapeutic purposes [ 1 ]. Boswellia sacra Flueck (Burseraceae) is an endemic tree to Oman and an economically important species of genus Boswellia [ 2 , 3 ]. B .…”

Section: Introductionmentioning

confidence: 99%

Chemical, molecular and structural studies of Boswellia species: β-Boswellic Aldehyde and 3-epi-11β-Dihydroxy BA as precursors in biosynthesis of boswellic acids

et al. 2018

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The distribution and biosynthesis of boswellic acids (BAs) is scarce in current literature. Present study aims to elucidate the BAs biosynthetic and its diversity in the resins of Boswellia sacra and Boswellia papyrifera. Results revealed the isolation of new (3β, 11β-dihydroxy BA) and recently known (as new source, β-boswellic aldehyde) precursors from B. sacra resin along with α-amyrin. Following this, a detailed nomenclature of BAs was elucidated. The quantification and distribution of amyrins (3-epi-α-amyrin, β-amyrin and α-amyrin) and BAs in different Boswellia resins showed highest amyrin and BAs in B. sacra as compared with B. serrata and B. papyrifera. Distribution of BAs significantly varied in the resin of B. sacra collected from dry mountains than coastal trees. In B. sacra, high content of α-amyrin was found in the roots but it lacked β-amyrin and BAs. The leaf part showed traces of β-ABA and AKBA but was deficient in amyrins. This was further confirmed by lack of transcript accumulation of amyrin-related biosynthesis gene in leaf part. In contrast, the stem showed presence of all six BAs which are attributed to existence of resin-secretory canals. In conclusion, the boswellic acids are genus-specific chemical constituents for Boswellia species albeit the variation of the amounts among different Boswellia species and grades.

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The Frankincense Tree (Boswellia sacra Flueck., Burseraceae) in Dhofar, southern Oman: field-investigations on the natural populations

Cited by 26 publications

References 1 publication

Frankincense Revisited, Part I: Comparative Analysis of Volatiles in Commercially Relevant Boswellia Species

Frankincense Revisited, Part I: Comparative Analysis of Volatiles in Commercially Relevant Boswellia Species

The First Chloroplast Genome Sequence of Boswellia sacra, a Resin-Producing Plant in Oman

Chemical, molecular and structural studies of Boswellia species: β-Boswellic Aldehyde and 3-epi-11β-Dihydroxy BA as precursors in biosynthesis of boswellic acids

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