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FIGURE 1. Monanthotaxis paniculata. A. Flowering branch. B. Flower bud. C. Flower bud with 3 petals removed. D. Petal from outside. E. Petal from inside. F. Stamen from inside. G. Stamen lateral view. H. Stamen from outside. I. Stamen from top. J. Staminode. K. Ovary. L. Leaf uppserside. A–K from McPherson 16123 in A new species of Monanthotaxis from Gabon with a unique inflorescence type for Annonaceae
FIGURE 1. Monanthotaxis paniculata. A. Flowering branch. B. Flower bud. C. Flower bud with 3 petals removed. D. Petal from outside. E. Petal from inside. F. Stamen from inside. G. Stamen lateral view. H. Stamen from outside. I. Stamen from top. J. Staminode. K. Ovary. L. Leaf uppserside. A–K from McPherson 16123; L from Reitsma 2870. Illustrator: Esmée Winkel.
FIGURE 3. Rafflesia mixta. A. Open male flower showing partially visible disk processes through the diaphragm aperture. B. Longitudinal section through a female flower showing ovary. C in Rafflesia mixta (Rafflesiaceae), a new species from Surigao del Norte, Mindanao, Philippines
FIGURE 3. Rafflesia mixta. A. Open male flower showing partially visible disk processes through the diaphragm aperture. B. Longitudinal section through a female flower showing ovary. C. Bud with perigone lobes removed to show the short column, blade-like processes, and ramenta. D. Disk with regularly distributed processes in two zones. E. Anthers underneath the disk. A. Barcelona 4044 with Manting, Arbolonio & Caballero. B. Arbolonio & Caballero 5. C–E. Barcelona 4043 with Manting, Arbolonio & Caballero.
FIGURE 9. Cypella rivularis Chauveau & L.Eggers. A–C. Flower. A. apical view B. lateral view C. basal view D–F. Inner tepal D. adaxial view E. abaxial view F. lateral view G. Ovary H in Overlooked diversity in Brazilian Cypella (Iridaceae, Iridoideae): four new taxa from the Río de la Plata grasslands
FIGURE 9. Cypella rivularis Chauveau & L.Eggers. A–C. Flower. A. apical view B. lateral view C. basal view D–F. Inner tepal D. adaxial view E. abaxial view F. lateral view G. Ovary H. Stamens and style in lateral view I. Style crests and stigmatic replicatures. From L. Eggers et al. 869 (ICN!).
FIGURE 7. Cypella hauthalii subsp. minuticristata Chauveau & L.Eggers. A–C. Flower. A. apical view B. lateral view C. basal view D–F. Inner tepal D. adaxial view E. abaxial view F. lateral view G. Ovary H in Overlooked diversity in Brazilian Cypella (Iridaceae, Iridoideae): four new taxa from the Río de la Plata grasslands
FIGURE 7. Cypella hauthalii subsp. minuticristata Chauveau & L.Eggers. A–C. Flower. A. apical view B. lateral view C. basal view D–F. Inner tepal D. adaxial view E. abaxial view F. lateral view G. Ovary H. Stamens and style in lateral view I. Style crests and stigmatic replicatures. From L. Eggers & O. Chauveau 728 (ICN!).
FIGURE 4. Cypella amplimaculata Chauveau & L.Eggers. A–C. Flower. A. apical view B. lateral view C. basal view D–F. Inner tepal D. adaxial view E. abaxial view F. lateral view G. Ovary H in Overlooked diversity in Brazilian Cypella (Iridaceae, Iridoideae): four new taxa from the Río de la Plata grasslands
FIGURE 4. Cypella amplimaculata Chauveau & L.Eggers. A–C. Flower. A. apical view B. lateral view C. basal view D–F. Inner tepal D. adaxial view E. abaxial view F. lateral view G. Ovary H. Stamens and style in lateral view I. Style crests and stigmatic replicatures. From A.M. Aita 49 (ICN!).
Fig. 1 in Reversal to a Two-Ovaries State in Scarabaeinae (Coleoptera: Scarabaeidae)
Fig. 1. Dorsal view of the relictual ovary of Onthophagus rhinolophus. Lo = left ovariole; Ro = right ovariole; g = germarium; v = vitellarium; bo = basal oocyte; lc = left calyx; rc = right calyx; ov = oviduct.
FIGURE. Flowers and longitudinal sections of ovaries of Hylaeaicum and Neoregelia. A–K. Hylaeaicum. A. H. eleutheropetalum (Leme 4491). B. H. myrmecophilum (Leme 2555). C. H. aff. myrmecophilum (Leme 3487). D. H. levianum (Leme 2777). E. H. wurdackii (Leme 2567). F. H. pendulum (Leme 1979). G. H. wurdackii (Leme 2567). H. H. aff. myrmecophilum (Leme 2553). I. H. pendulum (Leme 1979). J. H. eleutheropetalum (Leme 4491). K. H. levianum (Leme 5639-A) highlighting the immature seeds connected to the placenta. L–P. Neoregelia subg. Neoregelia. L–M. N. binotii (Leme 3482). N. N. ampullacea (Leme 9299). O–P. N. pontualii (Leme 5520). Q–S. Neoregelia subg. Longipetalopsis. Q–R. N. rubrovittata (Leme 1865). S. N. pernambucana (Leme 4407). Bars = 10 mm (A–F, L–S), 5 mm (G–K). in Re-evaluation of the Amazonian Hylaeaicum (Bromeliaceae: Bromelioideae) based on neglected morphological traits and molecular evidence
FIGURE. Flowers and longitudinal sections of ovaries of Hylaeaicum and Neoregelia. A–K. Hylaeaicum. A. H. eleutheropetalum (Leme 4491). B. H. myrmecophilum (Leme 2555). C. H. aff. myrmecophilum (Leme 3487). D. H. levianum (Leme 2777). E. H. wurdackii (Leme 2567). F. H. pendulum (Leme 1979). G. H. wurdackii (Leme 2567). H. H. aff. myrmecophilum (Leme 2553). I. H. pendulum (Leme 1979). J. H. eleutheropetalum (Leme 4491). K. H. levianum (Leme 5639-A) highlighting the immature seeds connected to the placenta. L–P. Neoregelia subg. Neoregelia. L–M. N. binotii (Leme 3482). N. N. ampullacea (Leme 9299). O–P. N. pontualii (Leme 5520). Q–S. Neoregelia subg. Longipetalopsis. Q–R. N. rubrovittata (Leme 1865). S. N. pernambucana (Leme 4407). Bars = 10 mm (A–F, L–S), 5 mm (G–K).
FIGURE. Flowers and longitudinal/cross sections of ovaries of the genera of the "Nidularioid complex" and Aechmea alliance. A. Neoregelia leucophoea (Leme 1107). B–C. Neoregelia subg. Protoregelia: N. longisepala (Leme 3049). D–E. Canistropsis burchellii (Leme 1301). F–G. Canistropsis microps (Leme 9017). H–J. Canistrum subg. Canistrum: C. aurantiacum (Leme 5028). K–L. Canistrum subg. Cucullatanthus: C. auratum (Leme 5803). M–N. Edmundoa ambigua (Leme 1073). O–P. Eduandrea selloana (Leme 7630). Q–R. Nidularium camposportoi var. robustum (Leme 3772). S–T. Nidularium rutilans (Leme 1072). U–V. Wittrockia superba (Leme 4751). W– X. Wittrockia gigantea (Leme 1289). Y–a. Aechmea aculeatosepala (Leme 3235). b–c. Aechmea castelnavii (Leme 4168). d–e. Aechmea hoppii (Leme 2339). Bars = 5 mm. in Re-evaluation of the Amazonian Hylaeaicum (Bromeliaceae: Bromelioideae) based on neglected morphological traits and molecular evidence
FIGURE. Flowers and longitudinal/cross sections of ovaries of the genera of the "Nidularioid complex" and Aechmea alliance. A. Neoregelia leucophoea (Leme 1107). B–C. Neoregelia subg. Protoregelia: N. longisepala (Leme 3049). D–E. Canistropsis burchellii (Leme 1301). F–G. Canistropsis microps (Leme 9017). H–J. Canistrum subg. Canistrum: C. aurantiacum (Leme 5028). K–L. Canistrum subg. Cucullatanthus: C. auratum (Leme 5803). M–N. Edmundoa ambigua (Leme 1073). O–P. Eduandrea selloana (Leme 7630). Q–R. Nidularium camposportoi var. robustum (Leme 3772). S–T. Nidularium rutilans (Leme 1072). U–V. Wittrockia superba (Leme 4751). W– X. Wittrockia gigantea (Leme 1289). Y–a. Aechmea aculeatosepala (Leme 3235). b–c. Aechmea castelnavii (Leme 4168). d–e. Aechmea hoppii (Leme 2339). Bars = 5 mm.
FIGURE. General characters in Myrcia. A: Asymmetrical anther thecae; B: Symmetrical anther thecae; C: Simple trichome; D: Dibrachiate trichome; E: 2-locular ovary; F: 3-locular ovary; G: Hypanthium persistent in the fruit, hollow; H: Hypanthium persistent in the fruit, beaked and filled by tissue; I. Homogeneous gland dots; J: Heterogeneous gland dots; K: Tertiary veins densely reticulated; L: Tertiary veins sparsely reticulated. (A: Oliveira 841; B: Moreira 404; C: Lindeman 1640; D: Hatschbach 13407; E: Bonaldi 502; F: Hatschbach 8646; G: Silva 4334; H: Brotto 2434; I: Hatschbach 61476; J: Carrião s.n. UPCB 28305; K: Kuniyoshi 4844; L: Michelon 1327). in Myrcia (Myrtaceae) in the state of Paraná, Brazil
FIGURE. General characters in Myrcia. A: Asymmetrical anther thecae; B: Symmetrical anther thecae; C: Simple trichome; D: Dibrachiate trichome; E: 2-locular ovary; F: 3-locular ovary; G: Hypanthium persistent in the fruit, hollow; H: Hypanthium persistent in the fruit, beaked and filled by tissue; I. Homogeneous gland dots; J: Heterogeneous gland dots; K: Tertiary veins densely reticulated; L: Tertiary veins sparsely reticulated. (A: Oliveira 841; B: Moreira 404; C: Lindeman 1640; D: Hatschbach 13407; E: Bonaldi 502; F: Hatschbach 8646; G: Silva 4334; H: Brotto 2434; I: Hatschbach 61476; J: Carrião s.n. UPCB 28305; K: Kuniyoshi 4844; L: Michelon 1327).
FIGURE 1. Helietta hirsuta H. Cuadros. A. Flower with ciliate petals and ovary with hirsute hairs. B. Schematic drawing from photo A, C. Young mericarp with hirsute hairs, D in A new species of Helietta (Rutaceae, Pteleinae) from Colombia
FIGURE 1. Helietta hirsuta H. Cuadros. A. Flower with ciliate petals and ovary with hirsute hairs. B. Schematic drawing from photo A, C. Young mericarp with hirsute hairs, D. Petal ciliolate, glandular-punctate. Scale bar 1mm. Photos and draws by Conchita Pinzón-M.
FIGURE 4. Rohdea rotiformis. A & B. Habit. C & D. Inflorescence. E. Young flower. F. Old flower and ovary growing. G. Flower with one bract, vertical view. H. Flower with one bract, lateral view. I. Flower, showing the interior. J. Older flower, vertical view. A, D & F in Rohdea rotiformis (Asparagaceae), a new species from Northern Sichuan, China
FIGURE 4. Rohdea rotiformis. A & B. Habit. C & D. Inflorescence. E. Young flower. F. Old flower and ovary growing. G. Flower with one bract, vertical view. H. Flower with one bract, lateral view. I. Flower, showing the interior. J. Older flower, vertical view. A, D & F by Xin Xin Zhu, B, C & E by Ming Liu, G, H, I & J by Hui Zhe Feng.
FIGURE 1. Compsoneura nallarettiana. A. Habit with axillary staminate inflorescence. B. Axillary pistillate inflorescence. C. Pistillate flower with ovary. D. Staminate flower with androecium. E. Staminate inflorescence. F in Compsoneura nallarettiana (Myristicaceae), a new species from north-western Peru
FIGURE 1. Compsoneura nallarettiana. A. Habit with axillary staminate inflorescence. B. Axillary pistillate inflorescence. C. Pistillate flower with ovary. D. Staminate flower with androecium. E. Staminate inflorescence. F. Immature fruit.
Single-Cell RNA-Seq Identifies Pathways and Genes Contributing to the Hyperandrogenemia Associated with Polycystic Ovary Syndrome
<p>Polycystic ovary syndrome (PCOS) is a common endocrine disorder characterized by hyperandrogenemia of ovarian thecal cell origin, resulting in anovulation/oligo-ovulation and infertility. Our previous studies established that ovarian theca cells isolated and propagated from ovaries of normal ovulatory women and women with PCOS, have distinctive molecular and cellular signatures that underlie the increased androgen biosynthesis in PCOS. To evaluate differences between gene expression in single cells from passaged cultures of theca cells from ovaries of normal ovulatory women and women with PCOS, we performed single-cell RNA sequencing (scRNA-seq). Results from these studies revealed differentially expressed pathways and genes involved in the acquisition of cholesterol, the precursor of steroid hormones, and steroidogenesis. Bulk RNA-seq and microarray studies confirmed the theca cell differential gene expression profiles. The expression profiles appear to be directed largely by increased levels or activity of the transcription factors SREBF1, which regulates genes involved in cholesterol acquisition (<em>LDLR, LIPA, NPC1, CYP11A1, FDX1, FDXR)</em> and GATA6, which regulates expression of genes encoding steroidogenic enzymes (<em>CYP17A1) </em>in concert with other differentially expressed transcription factors (<em>SP1</em>, <em>NR5A2</em>). This study provides insights into the molecular mechanisms underlying the hyperandrogenemia associated with PCOS, and highlights potential targets for molecular diagnosis and therapeutic intervention.</p> <p><strong>scRNA-seq data in the form of 10x Cell Ranger files are available for the following samples:</strong></p> <p>PCOS affected - Mc03, Mc10, Mc16, Mc26, Mc27</p> <p>Normal cycling women - Mc02, Mc06, Mc31, Mc40, Mc50</p> <p>A F in the sample name indicates forskolin treatment and a C indicates untreated control samples.</p> <p> </p>
Germline stem progenitors and oocyte production in the Honeybee Queen Ovary
<p>Raw figures for the paper “Germline stem progenitors and oocyte production in the Honeybee Queen Ovary”.</p> <p> Georgia Cullen, Joshua B. Gilligan, Joseph G. Guhlin and Peter K. Dearden.</p>
Effect of Dietary Modifacation on Microbiota in Overweight and Obese Polycystic Ovary Syndrome Patients
ClinicalTrials.gov study NCT03325023. IPD Sharing: NO. Countries: 1. Publications: 2.
History of Polycystic Ovary Syndrome in First-degree Relatives
ClinicalTrials.gov study NCT06442228. IPD Sharing: NO. Countries: 1. Publications: 3.
Metformin+ Drospirenone/ethinylestradiol30µg and Flow-mediated Dilation in Polycystic Ovary Syndrome
ClinicalTrials.gov study NCT01459445. IPD Sharing: Not stated. Countries: 1. Publications: 1.
The Effect of Acupuncture on Insulin Sensitivity Polycystic Ovary Syndrome
ClinicalTrials.gov study NCT02026323. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Lifestyle Intervention for Polycystic Ovary Syndrome: Pulse-Based Diet and Exercise
ClinicalTrials.gov study NCT01288638. IPD Sharing: Not stated. Countries: 1. Publications: 4.
Metformin Treatment Before in Vitro Fertilization (IVF) in Women With Ultrasound Evidence of Polycystic Ovaries
ClinicalTrials.gov study NCT01046032. IPD Sharing: Not stated. Countries: 1. Publications: 3.
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Allen Brain Atlas
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