Phylogenetic relationships of Echinolaena and Ichnanthus within Panicoideae (Poaceae) reveal two new genera of tropical grasses

Silva, Christian; Snak, Cristiane; Schnadelbach, Alessandra Selbach; Berg, Cássio van den; Oliveira, Reyjane Patrícia de

doi:10.1016/j.ympev.2015.07.015

Cited by 21 publications

(14 citation statements)

References 82 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Panicum sect. Yakirra This is the strongly supported Yakirra lineage, congruent with several molecular studies that have found Yakirra to be nested within Panicum [ 3 , 16 , 50 , 57 ]. This genus was segregated from Panicum by [ 87 ], based on Panicum pauciflorum R.Br.…”

Section: Discussionsupporting

confidence: 84%

“…Yakirra was distinguished by the presence of a stipitate upper anthecium, as well as a prominent rachilla between the upper glume and lower lemma. The stipe at the base of the upper anthecium in Yakirra has a pair of winged appendages [ 57 ], described by [ 89 ] as a swollen stipe with two acute lobes. As [ 57 ] pointed out, a stipe and elongate rachilla are also present in species of Panicum s.str., such as those of Panicum sect.…”

Section: Discussionmentioning

confidence: 99%

“…The stipe at the base of the upper anthecium in Yakirra has a pair of winged appendages [ 57 ], described by [ 89 ] as a swollen stipe with two acute lobes. As [ 57 ] pointed out, a stipe and elongate rachilla are also present in species of Panicum s.str., such as those of Panicum sect. Rudgeana , and also, as previously mentioned, in species now considered within sect.…”

Section: Discussionmentioning

confidence: 99%

“…On the other hand, species of sect. Yakirra present a swollen stipe with two acute lobes below the upper anthecium [ 57 , 87 ].…”

Section: Discussionmentioning

confidence: 99%

See 3 more Smart Citations

Molecular phylogeny of Panicum s. str. (Poaceae, Panicoideae, Paniceae) and insights into its biogeography and evolution

2018

View full text Add to dashboard Cite

Panicum sensu stricto is a genus of grasses (Poaceae) with nearly, according to this study, 163 species distributed worldwide. This genus is included in the subtribe Panicinae together with Louisiella, the latter with 2 species. Panicum and subtribe Panicinae are characterized by including annual or perennial taxa with open and lax panicles, and spikelets with the lower glume reduced; all taxa also share a basic chromosome number of x = 9 and a Kranz leaf blade anatomy typical of the NAD-me subtype photosynthetic pathway. Nevertheless, the phylogenetic placements of many Panicum species, and the circumscription of the genus, remained untested. Therefore, phylogenetic analyses were conducted using sequence data from the ndhF plastid region, in an extensive worldwide sampling of Panicum and related genera, in order to infer evolutionary relationships and to provide a phylogenetic framework to review the classification of the genus. Diversification times, historical biogeography and evolutionary patterns of the life history (annual vs. perennial) in the subtribe and Panicum were also studied. Results obtained provide strong support for a monophyletic Panicum including 71 species and 7 sections, of which sections Arthragrostis and Yakirra are new in the genus; 7 new combinations are made here. Furthermore, 32 species traditionally assigned to Panicum were excluded from the genus, and discussed in other subtribes of Paniceae. Our study suggested that early diversification in subtribe Panicinae and Panicum occurred through the Early-Mid Miocene in the Neotropics, while the subsequent diversification of its sections mainly occurred in the Late Miocene-Pleistocene, involving multiple dispersals to all continents. Our analyses also showed that transition rates and changes between annual and perennial life history in Panicum were quite frequent, suggesting considerable lability of this trait. Changes of the life history, together with C4 photosynthesis, and the multiple dispersal events since the Mid Miocene, seem to have facilitated a widespread distribution of the genus. All these findings contribute to a better understanding of the systematics and evolution of Panicum.

show abstract

Section: Discussionsupporting

confidence: 84%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

“…On the other hand, species of sect. Yakirra present a swollen stipe with two acute lobes below the upper anthecium [ 57 , 87 ].…”

Section: Discussionmentioning

confidence: 99%

See 2 more Smart Citations

Molecular phylogeny of Panicum s. str. (Poaceae, Panicoideae, Paniceae) and insights into its biogeography and evolution

2018

View full text Add to dashboard Cite

show abstract

“…Gramineae species represent major food crops with high economic and industrial value. High-quality genome sequences are available for these species, and their phylogeny has been well-studied [ 19 , 20 ]. This makes the Gramineae an ideal model system for studying the evolutionary dynamics of the SULTR family.…”

Section: Introductionmentioning

confidence: 99%

Genome-Wide Identification and Expansion Patterns of SULTR Gene Family in Gramineae Crops and Their Expression Profiles under Abiotic Stress in Oryza sativa

Yuan

Long

et al. 2021

Genes

View full text Add to dashboard Cite

Sulfate transporters (SULTRs), also known as H+/SO42− symporters, play a key role in sulfate transport, plant growth and stress responses. However, the evolutionary relationships and functional differentiation of SULTRs in Gramineae crops are rarely reported. Here, 111 SULTRs were retrieved from the genomes of 10 Gramineae species, including Brachypodium disachyon, Hordeum vulgare, Setaria italica, Sorghum bicolor, Zea mays, Oryza barthii, Oryza rufipogon, Oryza glabbermia and Oryza sativa (Oryza sativa ssp. indica and Oryza sativa ssp. japonica). The SULTRs were clustered into five clades based on a phylogenetic analysis. Syntheny analysis indicates that whole-genome duplication/segmental duplication and tandem duplication events were essential in the SULTRs family expansion. We further found that different clades and orthologous groups of SULTRs were under a strong purifying selective force. Expression analysis showed that rice SULTRs with high-affinity transporters are associated with the functions of sulfate uptake and transport during rice seedling development. Furthermore, using Oryza sativa ssp. indica as a model species, we found that OsiSULTR10 was significantly upregulated under salt stress, while OsiSULTR3 and OsiSULTR12 showed remarkable upregulation under high temperature, low-selenium and drought stresses. OsiSULTR3 and OsiSULTR9 were upregulated under both low-selenium and high-selenium stresses. This study illustrates the expression and evolutionary patterns of the SULTRs family in Gramineae species, which will facilitate further studies of SULTR in other Gramineae species.

show abstract

Taxonomic Treatment

Zuloaga,

Aliscioni

2023

Flora Neotropica

View full text Add to dashboard Cite

Phylogenetic relationships of Echinolaena and Ichnanthus within Panicoideae (Poaceae) reveal two new genera of tropical grasses

Cited by 21 publications

References 82 publications

Molecular phylogeny of Panicum s. str. (Poaceae, Panicoideae, Paniceae) and insights into its biogeography and evolution

Molecular phylogeny of Panicum s. str. (Poaceae, Panicoideae, Paniceae) and insights into its biogeography and evolution

Genome-Wide Identification and Expansion Patterns of SULTR Gene Family in Gramineae Crops and Their Expression Profiles under Abiotic Stress in Oryza sativa

Taxonomic Treatment

Contact Info

Product

Resources

About