Breeding systems of Bromeliaceae species: evolution of selfing in the context of sympatric occurrence

Matallana, Gloria; Godinho, M. A. S.; Guilherme, Frederico Augusto Guimarães; Belisário, Marciela; Coser, T. S.; Wendt, Tânia

doi:10.1007/s00606-010-0332-z

Cited by 81 publications

(105 citation statements)

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“…There is extensive knowledge on the breeding system of three of the subfamilies of Bromeliaceae (reviewed first by Matallana et al 2010). Overall 76 species in our review (71% of 107 spp.)…”

Section: Resultsmentioning

confidence: 99%

“…Even in the light of the paucity of extensive data some intriguing findings have been previously pointed, for instance, the predominance of self-compatibility and vertebrate-pollination in Bromeliaceae (Benzing 2000;Matallana et al 2010) and the multiple origins of wind pollination (Givnish et al 2010). Other notable aspect is the high diversity in floral forms within the order that results in pollination by wind, vertebrates, small bees and flies or large bees in search of pollen (buzzpollination), and bees or diverse small insects in search of nectar.…”

Section: Resultsmentioning

confidence: 99%

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An overview on pollination of the Neotropical Poales

Wolowski

Freitas

2015

Rodriguésia

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Current phylogenetic hypotheses support that ancestral Poales were animal-pollinated and that subsequent shifts to wind pollination have occurred. Ten of the 16 Poales families are widely distributed in the Neotropics, however a comprehensive understanding of their pollination systems' diversity is still lacking. Here we surveyed studies on pollination biology of Neotropical species of Poales. Poaceae, Cyperaceae and Juncaceae are predominantly wind-pollinated but insect pollination also occurs. Thurniaceae and Thyphaceae fit on anemophily but empirical data are missing. Pollen flowers with poricidal anthers have evolved independently in Mayacaeae and Rapateaceae. Pollen-and nectar-flowers occur in Xyridaceae, which are mainly pollinated by bees. Eriocaulaceae flowers secrete minute quantity of nectar and are pollinated by "diverse small insects". Pollination of Bromeliaceae is carried out by a great variety of animal groups, mainly hummingbirds, and includes anemophily. The diversity in floral forms is very high within the order but more constant within the families. This trend indicates that many events of species diversification may have occurred without divergence in the pollination mode. Still, parallel shifts in pollination modes are found, including possible reversals to wind-or animal-pollination, changes in the type of pollinators (e.g. from hummingbirds to bee or bats) and the arising of ambophily.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

An overview on pollination of the Neotropical Poales

Wolowski

Freitas

2015

Rodriguésia

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show abstract

“…According to Matallana et al (2010), many species of bromeliads are self-compatible and are self-fertilized, although this breeding system can lead to loss of genetic diversity, which can consequently reduce the adaptive potential of the species when facing adverse conditions. Self-fertilization is favored in some bromeliads by natural selection, in certain ecological conditions.…”

Section: Resultsmentioning

confidence: 99%

Genetic diversity in three natural populations of Pitcairnia flammea (l.) John (Bromeliaceae) estimated by ISSR markers

Souza-Sobreira¹,

Souza

Rosado

et al. 2015

Genet. Mol. Res.

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ABSTRACT. Bromeliads are greatly represented in the Atlantic Forest, although many species are threatened with extinction owing to habitat fragmentation and intense extraction for ornamental purposes. Therefore, it is necessary to conduct studies generating knowledge about genetic 15893 Genetic variability in Pitcairnia flammea (Bromeliaceae) ©FUNPEC-RP www.funpecrp.com.br Genetics and Molecular Research 14 (4): 15892-15901 (2015) diversity and the distribution of this diversity among and within natural populations to establish conservation strategies. These studies can be performed with the use of molecular markers. Molecular markers are advantageous for studies of natural populations, for conservation programs, and to aid in properly classifying plant species. This study aimed to evaluate the genetic diversity among and within natural populations of Pitcairnia flammea, occurring in three fragments of the Atlantic Forest in the southern State of Espírito Santo through the use of inter-simple sequence repeat (ISSR) markers. DNA samples from 55 individuals were amplified with 18 ISSR primers, generating 180 bands, 159 of which were polymorphic. The Shannon genetic diversity index ranged from 0.348 to 0.465, with an average of 0.412. The Bayesian approach for the molecular data indicated the existence of two genetic groups. Analysis of molecular variance indicated the existence of 90.3% diversity within the population and 9.74% among populations. The amount of genetic differentiation of populations was moderate (0.0974), indicating that gene flow rates may be enough to counteract the effects of genetic drift. Greater genetic variability found in population B indicates that this area is an important source of genetic variability.

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“…Unfortunately, there are no data about the reproductive system of V. cacuminis. Autocompatibility is predominant within the genus (e.g., Siqueira-Filho, 2006;Matallana et al, 2010), although autoincompatibility has also been reported (Matallana et al, 2010). Regardless of the existence of an autoincompatibility mechanism in V. cacuminis, the flowers are adapted to pollination by hummingbirds (tubular flowers, with conspicuous color, no odor and large nectar production) and pollen flow could occur even if selfing is detected (Linhart et al, 1987;Parra et al, 1993).…”

Section: Discussionmentioning

confidence: 99%

Genetic diversity of Vriesea cacuminis (Bromeliaceae): an endangered and endemic Brazilian species

Ribeiro

Pinheiro²,

Domingues³

et al. 2013

Genet. Mol. Res.

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ABSTRACT. Data about the genetic structure can help to understand the evolutionary process of natural populations as well as to drive strategies of conservation. Vriesea cacuminis, an endemic Brazilian Bromeliad, has been found in 2 areas of Minas Gerais State. One is a legal preservation unit (Ibitipoca State Park) and the other an unprotected area (Serra Negra). The 2 areas belong to the Mantiqueira Mountain Range Complex; both are characterized by steep relief with high altitudes and by heterogenic vegetation formed by a mosaic of rocky fields and forest fragments. According to International Union for Conservation of Nature criteria, V. cacuminis is designated as "vulnerable". We examined the genetic variability and population structure of 70 individuals (3 populations) of V. cacuminis, using 16 ISSR markers. Although V. cacuminis is considered a rare species, the estimated genetic diversity was found to be relatively high (Shannon index = 0.33; percentage : 1934-1943 (2013) Genetic variability of Vriesea cacuminis of polymorphic bands = 87%). The populations were found not to be structured (AMOVA test, Φ ST = 0.16), probably due to the cross-breeding. Based on Bayesian analysis, this species includes one cluster containing the populations from Ibitipoca State Park and another cluster including the population from Serra Negra. This information will help determine strategies to maintain the genetic variability of these populations.

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Breeding systems of Bromeliaceae species: evolution of selfing in the context of sympatric occurrence

Cited by 81 publications

References 50 publications

An overview on pollination of the Neotropical Poales

An overview on pollination of the Neotropical Poales

Genetic diversity in three natural populations of Pitcairnia flammea (l.) John (Bromeliaceae) estimated by ISSR markers

Genetic diversity of Vriesea cacuminis (Bromeliaceae): an endangered and endemic Brazilian species

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