A preliminary survey of nickel, manganese and zinc (hyper)accumulation in the flora of Papua New Guinea from herbarium X-ray fluorescence scanning

IF 1.6 3区环境科学与生态学 Q4 BIOCHEMISTRY & MOLECULAR BIOLOGY Chemoecology Pub Date : 2020-01-03 DOI:10.1007/s00049-019-00293-1

Christina Do, Farida Abubakari, Amelia Corzo Remigio, Gillian K. Brown, Lachlan W. Casey, Valérie Burtet-Sarramegna, Vidiro Gei, Peter D. Erskine, Antony van der Ent

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引用次数: 23

Abstract

The flora of Papua New Guinea is amongst the richest in the world with an estimated 25,000 plant?species. The extreme levels of biodiversity, climatic ranges and soil types suggest a high possibility of metal hyperaccumulator plants existing in Papua New Guinea. However, no hyperaccumulator plants have been reported from this region?yet. The use of handheld X-ray fluorescence instruments is a non-destructive and effective method for the systematic quantitative assessment of hyperaccumulation in vast numbers of?herbarium specimens. X-ray fluorescence scanning was undertaken at the Queensland Herbarium (Australia) on all Papua New Guinea specimens from seven major families (Celastraceae, Cunoniaceae, Phyllanthaceae, Proteaceae, Rubiaceae, Salicaceae and Violaceae), covering 3164 plant specimens. This preliminary survey revealed the existence of ten zinc hyperaccumulator species (>?3000?μg?g^?1 Zn), eight manganese accumulator species (>?5000?μg?g^?1 Mn) and one nickel hyperaccumulator species (>?1000?μg?g^?1 Ni). These results highlight the potential for discovery of numerous new metal hyperaccumulator plants from the flora of Papua New Guinea if larger-scale?systematic screening efforts were undertaken.

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植物标本室x射线荧光扫描对巴布亚新几内亚植物群中镍、锰和锌(超)积累的初步调查

巴布亚新几内亚的植物群是世界上最丰富的，估计有25000种植物。极端的生物多样性、气候范围和土壤类型表明，巴布亚新几内亚极有可能存在金属超蓄积植物。然而，该地区尚未发现超蓄积体植物。手持式x射线荧光仪器是一种非破坏性的有效方法，可用于系统定量评估大量?植物标本的标本。在昆士兰植物标本馆(澳大利亚)对巴布亚新几内亚7大科(Celastraceae, Cunoniaceae, Phyllanthaceae, Proteaceae, Rubiaceae, Salicaceae和Violaceae)的所有标本进行了x射线荧光扫描，涵盖3164个植物标本。初步调查结果显示，存在10种锌超富集菌(>?3000 μg?)1 Zn)， 8种锰蓄积物(>?5000 μg?1 Mn)和1种镍超富集物(1000 μg)。1镍)。这些结果强调了从巴布亚新几内亚的植物群中发现许多新的金属超积累植物的潜力，如果规模更大的话?进行了系统的筛选工作。

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来源期刊

Chemoecology 环境科学-生化与分子生物学

CiteScore

4.20

自引率

0.00%

发文量

审稿时长

>36 weeks

期刊介绍： It is the aim of Chemoecology to promote and stimulate basic science in the field of chemical ecology by publishing research papers that integrate evolution and/or ecology and chemistry in an attempt to increase our understanding of the biological significance of natural products. Its scopes cover the evolutionary biology, mechanisms and chemistry of biotic interactions and the evolution and synthesis of the underlying natural products. Manuscripts on the evolution and ecology of trophic relationships, intra- and interspecific communication, competition, and other kinds of chemical communication in all types of organismic interactions will be considered suitable for publication. Ecological studies of trophic interactions will be considered also if they are based on the information of the transmission of natural products (e.g. fatty acids) through the food-chain. Chemoecology further publishes papers that relate to the evolution and ecology of interactions mediated by non-volatile compounds (e.g. adhesive secretions). Mechanistic approaches may include the identification, biosynthesis and metabolism of substances that carry information and the elucidation of receptor- and transduction systems using physiological, biochemical and molecular techniques. Papers describing the structure and functional morphology of organs involved in chemical communication will also be considered.